Blue dragon

Blue dragons are the second weakest of the chromatic dragons, but are still fairly powerful monsters. An anti-dragon shield is essential when meleeing them, but this may be skipped if ranging or maging them from a safespot because they do not shoot long range fireballs. They are a very popular monster to kill because the blue dragonhide and dragon bones that they drop may be sold for 0 coins, together. They do not drop the draconic visage.

When fighting these with melee, an abyssal whip is a good choice for players with 75+ Attack and Strength, especially with a super strength and/or super attack potion. Players may use an antifire potion if they do not want to take any damage from their firebreath attacks, and if using this method instead of using an abyssal whip, they may choose to use a Leaf-bladed sword, Korasi's sword, Brackish blade, or a Chaotic rapier since dragons are weak to the stab attack style. A Zamorakian spear might be used as well, though super antifire potions will be needed to negate all dragonfire damage. If magic is your preference, a Polypore Staff is the best weapon against Blue Dragons.

If blue dragons are given as a Slayer task, a player may kill baby blue dragons as a substitute.

Locations

 * Taverley Dungeon (3) - Commonly crowded on busier worlds; has lots of stalagmites for safe spots for rangers and mages.
 * Taverley resource dungeon (8) - Dungeon requires level 60 Dungeoneering to enter. Released with the new Dungeoneering Resource Dungeons on the 19 July 2010 Dungeoneering update.
 * Ogre Enclave (6) - Often crowded, even if on a less busy world.
 * Heroes' Guild (1) - Often there will be another player there. Safe spots available to range or mage, partially because it is a caged area. It is possible to enter to get your loot without being attacked.
 * Kuradal's Dungeon (5) - Blue dragons can only be killed here when assigned as a slayer task from Kuradal.

Taverley Dungeon
This area is an ideal spot for rangers and mages. Players of low to medium combat levels may face more potential dangers than those of higher levels. As baby blue dragons stop being aggressive after a player reaches 97 combat, level 97+ players should consider this a very good spot in an unpopulated world. You will need a dusty key in order to reach the blue dragons within the dungeon, unless you have an Agility level of at least 70 (or 65 with summer pies), in which case a shortcut by the entrance leads straight to where the dragons are. Fighting these while collecting the blue dragon scales can earn up to 400k coins per hour. This will only happen if you have 70 agility. It is recommended to have a combat level of 97 or higher to prevent the baby blue dragons from interfering with the process.

The best way to get to the dungeon entrance is to use the Burthope home teleport and going south through Taverley. there is a bank nearby in Taverley just north of the dungeon entrance.

Taverley Dungeon resource dungeon
The blue dragons here are only available for players who have a Dungeoneering level of 60 and above. There are a total of 8 Blue Dragons in this Resource Dungeon. There are two ways to get to the resource dungeon. The first is to go through Taverley Dungeon ensuring that you have a dusty key and enter the blue dragons enclosure with the dusty key, then within the enclosure you will see the resource dungeon containing the blue dragons. The second, quicker route, is using the Agility shortcut (requiring a level of 70 to use, or 65 with a summer pie). There are also 12 respawn spots of blue dragon scale in the resource dungeon. If you have 60 Dungeoneering and 70 Agility, this is probably the best place for you to kill them with melee or range, since not many players can access this area. This area is beginning to crowd very heavily, as an average dungeon holds 2 players. Waiting 20–30 minutes will cause them to be unaggressive, but after a while they become aggressive regardless if it was in the same place. It is unknown if this is a glitch.

Ogre Enclave
Items recommended: Teleport to house tab(if house is in yanille)/Yanille tab, ring of kinship/ring of duelling/amulet of glory, mithril crossbow or better, grappling hook(can be stored in hidey-hole)

Method: Keep your teletabs in your bank. Teleport to yanille, grapple the south wall and run towards gu'tanoth. Enter the ogre enclave, and kill the dragons. It will save inventory space to use ranged,as the crossbow needed to grapple the wall will also be your weapon. After your inventory is full, teleport to a bank using the ring of duelling/ring of kinship/amulet of glory. Bank your loot, and withdraw a teletab. Teleport to yanille and repeat.

The blue dragons here are only available for players who have completed or partially completed the Watchtower quest. This place has many safespots for ranging or maging, and with six dragons here, it is easy to get one for yourself. This spot is not too far from the Yanille or Castle Wars bank.

A safe-spot in the enclave is a pillar just east of the entrance. Players can stand just next to it, and range/mage the dragon that spawns to the north. This is useful for lower-levelled players, as the dragon is unable to attack.

Note: Ava's accumalator does NOT work here, so range only if u are willing to pick up/lose your arrows.

Heroes' Guild
Items needed: No special items are needed unless the player wishes to use melee against the dragon or wishes to use the Combat bracelet to teleport near the Warriors Guild

Method: Teleport to Burthorpe using the Burthorpe Home Teleport. Use the bank chest near the Warriors Guild if needed. Run to the Heroes' Guild which is Southeast of the Warriors Guild. After killing the dragons, teleport with the combat bracelet/Burthorpe Home Teleport to Warriors Guild. Bank (using the chest), and withdraw a new combat bracelet if needed. Repeat. You can recharge your bracelets at the Legends Guild by using them on the totem which is located on the ground floor.

A blue dragon is present in a cage in the cave below the Heroes' Guild. This is generally an okay place to train on them. If you are ranging, it is unnecessary to have an anti-dragonfire shield here. The respawn time is around 20 seconds. This can provide up to 30,000 ranged experience per hour with 400,000 coins per hour depending on your ranged level and ammo.

When standing on the right place in the dragon's cage before she respawns, the fourth square in front of the gate's right door, she will try to attack but find herself unable to reach the correct position. Consequently she will indefinitely keep stepping around between two spots whilst facing the player in her attempt to attack, which will result in a 'dancing dragon'.

If standing by the far left 4 spears poking out of the ground, it is possible to attack the Blue Dragon in the Heroes Guild through the gate with a Halberd, meaning low levelled Melee characters can attack the Blue Dragon from a safe spot, taking no damage and not needing any food in their inventory, allowing for around a 6k profit per kill to be made by even low-levelled characters and allowing them to save inventory space for more bones/hides.

Kuradal's Dungeon
The blue dragons here may only be attacked if you are assigned blue dragons as your slayer task by Kuradal. There are safe spots for rangers and mages. Two safe spots exist; just inside the energy barrier just before the torches, and behind the stalagmites to the east. Players may bank relatively quickly using a bank teleport (such as the Amulet of glory) and then returning to the dungeon using a Ferocious ring, a drop unique to the monsters in the dungeon. Alternatively, players may use the fairy ring in the ancient cavern and bank in Zanaris, providing that the player has repaired it.

Strengths and weaknesses
Blue dragons, like all dragons, have very high defence, but are weak against range and stab attacks. Their melee attack can hit up to 110 life points. As with all dragons, an anti-dragon shield or dragonfire shield is essential when fighting blue dragons as it reduces the maximum hit of their breath from about 500 LP to 50 LP (0 LP if used with an antifire potion). If a player wishes to kill them with a two-handed weapon, a regular anti-fire potion will slightly decrease the accuracy and damage of the dragonfire. A super antifire will block all damage from dragon breath while removing the need for a protective shield. For melee, it is best to use stabbing weapons, most effectively the Chaotic Rapier or Chaotic Longsword (one must keep in mind that these require large sums of coins to maintain), but others such as a Brackish blade, leaf-bladed sword, Korasi's Sword or, to a lesser extent, a Dragon longsword, will perform well when killing these dragons. However, for higher levelled players, an Abyssal whip or other high levelled weapon will work decently. A particularly under-appreciated weapon for players with low defence is the Staff of Light as not only does it have a decent stab bonus (exactly that of a dragon longsword) but it also has a special ability that reduces melee damage by half. When used in conjunction with an anti-dragon shield/antifire or both, damage is reduced by a greater amount.

Ranging from a safe spot is another popular way to kill them (Rune crossbow is recommended, since it may be used in conjunction with an anti-dragon shield). They can also be attacked safely with melee using a halberd since a regular chromatic dragon's dragonfire is not long ranged. Players with access to Super antifire potions can kill these very quickly with a Magic shortbow or a Crystal bow. The special attacks of the Dark Bow and the Zamorak bow are also advised.

If ranging or meleeing them isn't an option, then maging them is also quite profitable. When using chaos gauntlets with bolt spells, one can hit up to 10 less than the corresponding blast spell.

100% drop

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