Glacor

Glacors are monsters that were released on 14 September 2011. These monsters are only accessible after completing the quest Ritual of the Mahjarrat. You can reach Glacors in the Glacor Cave through the fairy ring system by using the code D-K-Q.

General combat


You may not fight Glacors in teams, even though the area is multi-combat. Only one player may be engaged in combat with a Glacor and its summons at any given time. Other players will not be able to fight Glacors being fought by other players unless the combating players leave the area, via either teleporting, walking away from the area, dying, or logging out. Even if the combating player is in a safe-spot and not currently in combat with a Glacor or its Glacytes, a player trying to attack another player's Glacor will yield the message, "Someone else is already fighting that glacor." This means that Glacors must be fought solo. However, if done correctly, they are easier than other boss monsters, even those of a lower combat level.

From a distance Glacors will only attack with magic and range. Its range attack consists of an icicle targeted to you, whilst its magic attack is a blue sphere. These attacks can be predicted as they always fire ranged attacks with their right hands and magic attacks with their left hands. When they throw both hands down, they use an icicle special attack (see below). Alternatively, melee will also be used when a player is in melee range.

Unlike all other monsters, the damage from the ranged and magic attacks of a Glacor is calculated when the attack hits the player, rather than when the attack animation is initiated. This means that it is possible to change prayers while the attack is coming toward you and still negate the damage, while this is impossible with all other monsters.

They will use one combat style for multiple hits, then switch to the other. If one notices the switch in time, almost all damage can be negated. The ranged attack can be fully negated by deflect/protection prayers, while the magic attack can be greatly reduced by deflect/protection prayers. Furthermore, Glacors are weak to fire spells in a similar fashion to Ice Strykewyrms. For this reason it is advised to use magic at a distance while switching prayers in conjunction with the glacor's attack style. Due to the unique property of the Glacors' attacks mentioned above, standing further away will give the player more time to react to changing attack styles.

Due to the large amount of damage being inflicted, you can also flash the Soul Split curse to regain large amounts of health. If done correctly, other methods of healing are usually not needed (though are recommended for emergencies).

After summoning the 3 Glacytes, the Glacor will be invulnerable until they are slain. However, upon killing the last Glacyte, the Glacor inherits the recently slain Glacyte's ability and becomes vulnerable again.

Icicle - stalagmites
Glacors will slam both arms on the ground and fire a large cluster of icicles. The player can move out of the square he/she are standing in to avoid it. If hit with the area spell, the player will lose half of his/her current lifepoints. If a Glacor was attacking with magic and then uses this attack, it will always switch to its ranged attack after it. If the Glacor dies before the attack reaches the player it will do no damage. This attack looks like a cluster of three icicles being fired simultaneously, rather than the singular in its normal ranged attack.

Warning: This attack can hurt other players who stand on the space where the spell hits.

Summons
When the Glacor has half his lifepoints remaining, it will spawn three unique glacyte monsters that must be killed before attacking the glacor. It is advised to lure all three Glacytes away from the glacor and hide behind a pillar to kill them seperately without being attacked by the glacor at the same time. Use protection from melee once you're in a safe spot.

Once all three Glacytes are dead, The Glacor will inherit the special ability of the most recently killed Glacyte. For example, Glacor will take 60% less damage if Enduring Glacyte is killed last. It will also attack faster (at speed 6 instead of speed 5) regardless of which Glacyte ability is inherited.

Unstable glacyte
The Unstable Glacyte has a bar above its head that indicates when it uses its special ability. Once the bar fills, the Unstable Glacyte will stop moving and shortly thereafter explode, losing 90% of its health, making it easy to finish off. The player will lose 33% of their current life points. If it is not killed quickly, it will rapidly regenerate lifepoints up to 500 and begin its explosion timer once again. Fortunately, once the timer starts, the Glacyte will no longer heal.The Glacytes from other players may also damage you if you are within their 3x3 when they explode. You gain no experience (other than the base exp from a spell) when killing the Glacyte. Tip: Be careful of other players' Glacors that have taken the ability of the Unstable Glacyte as they have a blast radius of two squares in every direction. Tip: If there are Glacors not being attacked by others, it is possible to run through one, trapping the Glacyte behind it.

Sapping glacyte
The Sapping Glacyte will drain 10 prayer points each time it hits.

Enduring glacyte
The Enduring Glacyte takes far less damage when it is closer to the Glacor. It is therefore recommended that players draw out it as far as possible in order to improve their kill rate.

Strategies
Attack a Glacor nearby and try whittle away at its health with Fire Wave or Fire Surge until it reaches half health. It will proceed to summon 3 Glacytes, each with their own effect. Hiding from the Glacor while fighting the Glacytes will save you a lot of food and lifepoints in the long run. Note that the Glacor will inherit the ability of whichever Glacyte was killed last. Killing the enduring glacyte will boost its defence. Killing the unstable glacyte will increase its damage and will cause it to occasionally self destruct itself to very low hp to deal massive damage if you are within melee range. Killing the sapping glacyte will give the Glacor the ability to occasionally drain your prayer by a few points if an attack does damage. Kill the glacytes in whichever way you think will be easiest for you. Generally the best option is to kill the sapping, then enduring, then unstable. Note that the enduring glacyte will have higher defense inversely proportionate to its distance from the Glacor, so you should lure it several squares away to kill it faster. After you have killed all 3 summoned glacytes, proceed to finish off the remaining health with your selected fire spell. Beware of the Glacor's freezing attack and its stalagmite attack as both will cut your current lifepoints in half. Evading these attacks is as simple as walking away from your current location.

Equipment
The Void Knight armor coupled with a Void mage helm is a cheap but effective alternative to the expensive Ahrim's/virtus set.
 * Head: Virtus mask > Ahrim's hood > Helm of neitiznot
 * Neck: Arcane stream necklace > Amulet of fury > Amulet of glory
 * Chest: Virtus robe top > Ahrim's robe top > Mystic robe top
 * Legs: Virtus robe bottom > Ahrim's robe bottom > Mystic robe bottom
 * Gloves: Gloves (barrows) > Infinity gloves > Regen bracelet
 * Boots: Ragefire boots > Infinity boots > Mystic boots
 * Ring: Seer's ring (i) > Seer's ring > Ring of life
 * Weapon: Chaotic staff > Staff of light > Mystic lava staff
 * Shield:Celestial surgebox >Farseer kiteshield > Arcane spirit shield
 * Cape: Max Cape /Completionist cape > God cape > Soul Wars cape

Runes

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Armour and weapons

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Herbs and seeds

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Other
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Trivia

 * The glacor is the only non-unique monster fought by conventional means that is able to use all 3 attack styles, special attacks, and summon minions to aid it in battle.
 * Glacors bear a number of similarities to tormented demons. Both were summoned by Lucien using the Stone of Jas, both use all three attack styles, and in both cases, several of them remained in the area after their respective quests were completed.
 * Upon slaying a number of glacors, a player's Adventurer's Log will read "I killed X glacors and many glacytes to go with them." In the case of a single glacor, the log will read "I killed a glacor and its glacytes." If 100 or more glacors are killed without a single break, the adventurer's log will read "I killed many glacors and many glacytes go with them."
 * The Glacors actually have a sparkle animation that you can see on them up close randomly around them.