Constitution

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Constitution (also known as health, previously Hitpoints or HP) is a skill that controls how many life points (LP) a player or monster has. Life points represent the amount of damage a player or monster can withstand before it dies. Death occurs when a player or monster's life points reach zero. The maximum number of life points a player may have without any boosts is 10 times their Constitution level. Approximately 980,032,406 damage must be dealt in total by a player to accomplish 99 Constitution.

Players begin with a Constitution level of 10 and thus 100 life points, and their Lifepoints are increased by 10 for Constitution every level gained. As such, a player with level 99 Constitution has 990 life points.

The number of life points a monster has varies between 1 and 75,000. The Queen Black Dragon follows, followed by Nex, tied with Char, the quest boss of The Firemaker's Curse, followed by the Corporeal Beast tied with Hati, Sköll and the Pest Queen, then Nomad, Har-Aken, Turkey (2009 Thanksgiving event), Decaying avatar, Kalphite Queen (the Kalphite Queen has two forms, with each 2,550 life points, effectively giving her 5,100 total life points), Glacor, Living rock patriarch, Skeletal horror, Tormented demon, Ice strykewyrm, Living rock striker, Kree'arra, Commander Zilyana, K'ril Tsutsaroth and General Graardor. The Party Demon has 200,000,000 lifepoints; however, it only appeared as a short event, and all use of lifepoints on the monster was exaggerated as a commemoration to Jagex having reached 200,000,000 registered accounts.

The monsters with the lowest amount of life points are the rabbits in the Enchanted Valley, Lucien during Temple of Ikov, and the Evil creatures from the quests The Eyes of Glouphrie and The Path of Glouphrie with only 1 Life point. The Steel Titan has the highest amount of life points for a summoning familiar at 7500 life points, followed by the Pack yak and Iron titan.

However, the Wise Old Man is speculated to have the largest amount of lifepoints, as during the quest Swan Song, the Wise Old Man is hit for almost 2500 lifepoints, yet his health bar does not even seem to decrease by a single bit. This could mean that the Wise Old Man has more than 75,000 lifepoints, more than any other.

Fighting
Any player or creature who is hit in a fight will have a life bar shown above them, which represents their life points. There are two colours on the bar: green and red. The green part of the bar is on the left and represents how many life points the player has remaining. The red part of the bar appears on the right and represents how much damage has been taken away from their maximum life points. This allows an easy estimation of the percentage of health a player has left.

Players may look to the top-right of their RuneScape screen (to the left of the minimap) to check how many life points they have remaining. They will be alerted when their life points drop to 25% or lower as the Life points status globe will start to pulse. Due to a recent hidden update, players are now further warned that their life points are getting low (25% or less of total LP) through the addition of a beating heart sound effect which accompanies the pulsing animation until health is restored above 25%. (This is a very common device in video games and is almost always used to show that the player is near death or that another similarly dramatic event is occurring).

Poison (Members only)
A player may become poisoned during a fight. This effect will continue to reduce life points periodically, even after the fight is over. The body's natural defences will gradually neutralize the poison, however. For instance, if a player is hit by another player wielding a poisoned dagger or spear, they would be hit for 48 damage initially, then 46, then 44, and so on until the damage hits 10, by which time the player would have been naturally cured of the poison. Players may cure the poison at any time with an antipoison potion made using the Herblore skill. Please note that the higher levelled antiposions will give a player temporary immunity to any poison-based attack. This is especially useful in the Pyramid Plunder Thieving Minigame.

Please also note that if you are poisoned in a Members' server but then switch to a Free server, you WILL remain poisoned with no way to cure it (aside from eating food to offset the damage) until you switch back to a Members' server.

Death


If a player is in Pest Control, in a player-owned house, duelling another player at the Duel Arena, or playing any other safe minigame, he or she will not lose any items on death, and will respawn in a designated location with all items retained.

A ring of life can also teleport the player safely back to the chosen respawn point automatically upon reaching 10% or below their maximum LP. There are three exceptions: either the player was hit for more than 10% of his or her maximum LP, is beyond level 30 in the deep wilderness, or is in a safe minigame with no danger of losing his or her items. A Ring of Life can only be used once before its charge is finished.

In addition, if a player has used the Abyss for runecrafting, or attacks another player in the Wilderness, he or she is given a skull that appears over his or her head. If a player dies of any circumstances while being "skulled," he or she loses ALL of his or her items carried at the time instead of the usual all but three. However, if a skulled player dies while the Protect Item Prayer is on, he or she keeps ONE item (one more than the usual, which is zero if the player is skulled). If a player does not enter the Abyss within twenty minutes of receiving the skull, the skull vanishes.

Respawning
When a player dies, he or she will respawn, meaning he or she will live again. Normally, the player will keep three of his or her items (s)he was carrying (see above for exceptions).
 * Free players, can choose to respawn in Lumbridge, or at the last major hub.
 * For members, they will initially have the same options, but can gain additional ones by completing quests:
 * Falador, after completion of the Recruitment Drive quest;
 * Camelot, after completion of the King's Ransom quest and the Knight Waves Training Grounds miniquest;
 * Soul Wars lobby, after completion of the Nomad's Requiem quest.

Earning experience


To earn experience in Constitution, a player has to fight or do a quest that rewards Constitution experience. Alternatively, one could use an item that gives a specific amount of experience (for example, experience lamps or quest rewards).

When fighting, whenever a player deals damage, he or she will always earn Constitution experience. The amount of experience earned is found using the formula $$damage * 0.133$$. The sole exception to this is when a player uses a Dwarf Multicannon as it gives half the range experience normally received and no Constitution experience. Constitution experience is earned at one third the rate of Attack, Ranged, Strength and Defence, making this one of the slowest skills to train, although it may be gained fast if you are focusing on Attack, Strength, Defence, Ranged or Magic too.

The quickest way to earn Constitution experience is the Soul Wars minigame. By using Soul Wars, achieving 99 Constitution at a low combat of 25 is possible, thus being the lowest level possible with a Constitution cape.

Prayer cannot help train Constitution, however using the Rapid Heal or Rapid Renewal prayers, or the Soul Split Ancient Curse can help to restore health if you've lost some.

Recovering life points


A player can heal to restore their life points back to or even over its maximum. There are a number of ways to do this:


 * Let it recharge on its own. A player will naturally heal at the rate of roughly one life point every six seconds. The natural regeneration rate can be boosted by a number of methods. Resting and wearing a regen bracelet each add another life point every 6 seconds. The prayers Rapid Heal and Rapid Renewal add one life point and four life points respectively. The lunar spell Dream will likewise add four life points every six seconds.


 * The recovery rate for life points, in life points per minute, is given by the formula $$10 * (1 + bonus)$$ where bonus is indicated in the chart below.


 * {|class="wikitable"

!Minigame/Item !Bonus
 * Rest*
 * 1
 * Listening to a musician*
 * 2
 * Rapid heal prayer**
 * 1
 * Rapid renewal prayer**
 * 4
 * Regen bracelet
 * 1
 * Dream spell*
 * 4
 * Regeneration aura
 * 1
 * }
 * * Resting, listening to a musician, and the dream spell cannot be combined.
 * ** The Rapid renewal and rapid heal prayer cannot be used together.
 * 4
 * Regeneration aura
 * 1
 * }
 * * Resting, listening to a musician, and the dream spell cannot be combined.
 * ** The Rapid renewal and rapid heal prayer cannot be used together.
 * ** The Rapid renewal and rapid heal prayer cannot be used together.


 * The maximum life point recovery rate without a familiar is 110 points per minute (with rapid renewal, dream, regeneration, and a regen bracelet). The rate for free players would be 40 points per minute (with rapid heal and listening to a musician)


 * Without any items, skills or help from npc's a player can sit and get 2x lifepoint restoration.


 * All restorations run on separate clocks. Resting/Listening to music/moving status on player is updated by one clock while prayer restoration updated by another clock. If a player is listening to music with rapid heal, he will gain 1 lifepoint for every 2 seconds, plus another 1 point for every 6 seconds in another interval. Overall the effects stack additively, and it leads to 40 points every minute, but irregular through the minute.


 * Eating food. Players can eat food to heal their Life points. The best foods are often more expensive but provide more healing per item. Some foods also give bonuses when eaten, such as increasing your maximum health. Note that any health boosted over your maximum will fall naturally over time. Members have a much wider variety of foods available to them, most of which can heal more life points at once.


 * {|class="wikitable"

!Food !Life healed !GE price !Consumption bites
 * Tuna
 * 100
 * One
 * Lobster
 * 120
 * One
 * Swordfish
 * 140
 * One
 * Anchovy pizza
 * 180
 * Two
 * Monkfish
 * 160
 * One
 * Curry
 * 190
 * One
 * Shark
 * 200
 * One
 * Sea turtle
 * 210
 * One
 * Wild pie
 * 220
 * Two
 * Summer pie
 * 220
 * Two
 * Pineapple pizza
 * 220
 * Two
 * Tuna potato
 * 220
 * One
 * Manta ray
 * 220
 * One
 * Rocktail
 * 230 (up to +100 life points boost)
 * One
 * Moonlight Mead (m4)
 * 240
 * Four
 * Tiger shark
 * 250 (up to +100 life points boost)
 * Untradeable
 * One
 * Basket of strawberries
 * up to 280 (5 strawberries at 56 LP each)
 * Five
 * }
 * Drinking Potions. Members have access to Saradomin Brews, which heal 15% of a player's total life points and adds it to their life points. This can exceed their limit.
 * Special attacks. Some weapons have special attacks that recover life points, such as Enhanced excalibur, Saradomin Godsword, Saradomin bow and Guthix bow. Additionally, the Guthan's set effect, will occasionally heal a player by the amount they hit.
 * The monks at the Monastery and Entrana will heal players if they ask them. They heal 20% of the player's life points level.
 * The nurses Sabreen and A'abla and Surgeon Tafani at the infirmary north of Al-Kharid Duel Arena will heal players if asked.
 * Two lunar spells can be cast to heal other players while within a multicombat zone: Heal Other, level 92 magic needed, and Heal Group, level 95 magic needed.
 * Die. When a player dies, they respawn at full health and full energy. This is not recommended unless the player has banked all items and wants to go to an area near their respawn point.
 * A player can use a bracelet of regeneration which doubles life points recovery rate. When used in conjunction with the prayer rapid heal, it triples to 30 lifepoints per minute.
 * Using Soul Split (one of the Ancient Curses, level 92 Prayer required) adds 1/5th of damage dealt back to lifepoints. Since this method needs high hits to heal fast, it can be used together with Turmoil. It is risky to use versus NPC capable of dealing high and/or frequent damage though. Used right, it is a great and potion-saving alternative against monsters usually fought with activated protection prayers or deflection curses.
 * The two Summoning familiars, the Void spinner and the Bunyip, will heal a player over time, for 10 life points per 15 seconds and 20 life points per 15 seconds, respectively. The Unicorn stallion will heal 15% of the player's life points by using its special move, Healing Aura.
 * 220
 * One
 * Rocktail
 * 230 (up to +100 life points boost)
 * One
 * Moonlight Mead (m4)
 * 240
 * Four
 * Tiger shark
 * 250 (up to +100 life points boost)
 * Untradeable
 * One
 * Basket of strawberries
 * up to 280 (5 strawberries at 56 LP each)
 * Five
 * }
 * Drinking Potions. Members have access to Saradomin Brews, which heal 15% of a player's total life points and adds it to their life points. This can exceed their limit.
 * Special attacks. Some weapons have special attacks that recover life points, such as Enhanced excalibur, Saradomin Godsword, Saradomin bow and Guthix bow. Additionally, the Guthan's set effect, will occasionally heal a player by the amount they hit.
 * The monks at the Monastery and Entrana will heal players if they ask them. They heal 20% of the player's life points level.
 * The nurses Sabreen and A'abla and Surgeon Tafani at the infirmary north of Al-Kharid Duel Arena will heal players if asked.
 * Two lunar spells can be cast to heal other players while within a multicombat zone: Heal Other, level 92 magic needed, and Heal Group, level 95 magic needed.
 * Die. When a player dies, they respawn at full health and full energy. This is not recommended unless the player has banked all items and wants to go to an area near their respawn point.
 * A player can use a bracelet of regeneration which doubles life points recovery rate. When used in conjunction with the prayer rapid heal, it triples to 30 lifepoints per minute.
 * Using Soul Split (one of the Ancient Curses, level 92 Prayer required) adds 1/5th of damage dealt back to lifepoints. Since this method needs high hits to heal fast, it can be used together with Turmoil. It is risky to use versus NPC capable of dealing high and/or frequent damage though. Used right, it is a great and potion-saving alternative against monsters usually fought with activated protection prayers or deflection curses.
 * The two Summoning familiars, the Void spinner and the Bunyip, will heal a player over time, for 10 life points per 15 seconds and 20 life points per 15 seconds, respectively. The Unicorn stallion will heal 15% of the player's life points by using its special move, Healing Aura.
 * Special attacks. Some weapons have special attacks that recover life points, such as Enhanced excalibur, Saradomin Godsword, Saradomin bow and Guthix bow. Additionally, the Guthan's set effect, will occasionally heal a player by the amount they hit.
 * The monks at the Monastery and Entrana will heal players if they ask them. They heal 20% of the player's life points level.
 * The nurses Sabreen and A'abla and Surgeon Tafani at the infirmary north of Al-Kharid Duel Arena will heal players if asked.
 * Two lunar spells can be cast to heal other players while within a multicombat zone: Heal Other, level 92 magic needed, and Heal Group, level 95 magic needed.
 * Die. When a player dies, they respawn at full health and full energy. This is not recommended unless the player has banked all items and wants to go to an area near their respawn point.
 * A player can use a bracelet of regeneration which doubles life points recovery rate. When used in conjunction with the prayer rapid heal, it triples to 30 lifepoints per minute.
 * Using Soul Split (one of the Ancient Curses, level 92 Prayer required) adds 1/5th of damage dealt back to lifepoints. Since this method needs high hits to heal fast, it can be used together with Turmoil. It is risky to use versus NPC capable of dealing high and/or frequent damage though. Used right, it is a great and potion-saving alternative against monsters usually fought with activated protection prayers or deflection curses.
 * The two Summoning familiars, the Void spinner and the Bunyip, will heal a player over time, for 10 life points per 15 seconds and 20 life points per 15 seconds, respectively. The Unicorn stallion will heal 15% of the player's life points by using its special move, Healing Aura.


 * {|class="wikitable"

!Familiar !Summoning level required !Heal rate
 * Void Spinner
 * 34
 * 10 life points every 15 seconds
 * Bunyip
 * 68
 * 20 life points every 15 seconds
 * Fire, Moss, Ice titans
 * 79
 * 80 life points per scroll (special move)
 * Unicorn Stallion
 * 88
 * 15% of Summoner's max life points (special move)
 * }
 * Unicorn Stallion
 * 88
 * 15% of Summoner's max life points (special move)
 * }

Boosts to life points

 * Saradomin brew - Made using the Herblore skill. Drinking this brew raises defence by 25% and life points by 15%+20, even above maximum, though all other combat skills decrease by 10% excluding defence and prayer.
 * Titan's Constitution - The respective scroll of the Fire titan, Moss titan and Ice titan which will raise a player's maximum life points by 80 and defence by 12.5% temporarily.
 * Elidinis Statuette - this altar in Nardah will heal you and raise your total LP by 80, and will also fully refill your prayer. To use it, players will need to have completed Spirits of the Elid.
 * Guthix rest - when drunk with full life points, it will boost your maximum life points by 50.
 * Oo'glog - by resting in the Thermal bath your LP will be raised dramatically, by 20% over your maximum life points.
 * Temple Trekking / Burgh de Rott Ramble - One particular event in the treks Abidor Crank, temporarily increases your max LP according to its max level / current stance, as well as increasing defence in the same way, and turning all rotten food in your inventory into curry or stew.
 * Rocktail - Can heal up to 100 over the player's maximum life points when eaten.
 * Torva, Pernix and Virtus armour - Wearing a head-slot, body-slot and/or leg-slot will boost your maximum lifepoints by 66, 200, and 134 respectively, for a total of 400. This is not a set effect and each item will grant its bonus regardless of other equipment.
 * Bonfires - 1% to 10% of health for 6 min to 60 min percent corresponding to your firemaking level, time corresponding with type of logs used.

Boosts to Constitution

 * Constitution Cape of Achievement - Owners of a Constitution Cape can boost their Constitution skill by 1 every minute, by operating the cape or re-equipping it. The Constitution Cape is one of the Capes of Achievement, which can be bought and equipped by players with 99 Constitution only. The cape is sold by Surgeon General Tafani at the Duel Arena in Al Kharid for 99,000 coins.

Trivia

 * If you levelled Constitution before the 3 March 2010 update, it would show Hitpoints in your Adventurer's Log. It was changed to Constitution the following day.
 * When RuneScape 2 was released, the experience required for level 10 in any skill was increased slightly. This meant that characters that had not gained Constitution experience in RuneScape Classic were brought to RuneScape 2 with only level 9 Hitpoints. Despite this, the players were still level 3 combat.
 * It is possible to have a maximum of 1489 lifepoints. This is with the help of a complete set of Ancient armour and the lifepoint boosting effect from a bonfire.This can be raised even further with the temporary boost of a Saradomin brew to 1758.