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 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. There are two ways to reach the Blue dragon's area in Taverley: 1) Squeeze-through near the dungeon's start (requires 70 Agility or 65 if using summer pie) 2) Go around from: a) Cauldron of Thunder b) Animated axes c) Poisonous scorpions d) Chaos dwarves e) Lesser demons, reaching, finally, their area. This way requires a dusty key, which may be obtained earlier in the dungeon. 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 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. Usually empty, but may be crowded at peak times. Released with the new Dungeoneering Resource Dungeons on the 19 July 2010 Dungeoneering update.
 * Ogre Enclave (6) - Seldom crowded if on a less busy world.
 * Heroes' Guild (1) - Often there will be another Dragon-Slayer there. Safe spots available to range or mage, partially because it is caged. 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 1 million 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.

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
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 commonly used method is to use the ring of duelling to get to the Castle Wars bank once the player has filled up their inventory or if your house is located in Yanille you can teleport there and bank (if you have completed Love Story and have 77 Magic, you can chip Yanille teletabs as well). The player may then run back to the Ogre Enclave to repeat the process.

Another method is to use the Watchtower teleport (after Ardougne Tasks) to teleport inside Yanille, and then grapple the south wall of Yanille. Then, simply teleport back with your Watchtower teleport and bank in Yanille. Perhaps the fastest way requires your house already residing in Yanille. Using the house teleport would bring you close to the west gate (and require only 40 Magic) and when you go to leave, use the ring of duelling to bank and simply repeat. This area is frequently visited by players, and the dragons quickly get disinterested if you back away so there is a lot of competition and kill stealing here.

Heroes' Guild
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. This spot though may be ideal for some as it has 2 safe spots for ranging and maging. Using a games necklace allows for quick banking by teleporting to the Gamer's Grotto and then teleporting back to Burthorpe. Banking this way takes approximately 1 minute. If you have access to the Warriors' Guild, you can bank there and come back without wasting any teleports or time as the Warriors' Guild is very close. Banking can also be done through Emerald Benedict in the Rogue's Den below the Toad and Chicken Inn. Another possible route is teleport to your desired location of banking, and teleport to your POH teleport, located in Taverley, and run north from there. 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.

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. 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, such as a leaf-bladed sword, Korasi's Sword or, to a lesser extent, a Dragon longsword, when killing these dragons. However, for higher levelled players, an Abyssal whip or other high levelled weapon will work very well. One under appreciated weapon is the Staff of Light as not only does it have a decent stab bonus 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.

If a player could afford it, a chaotic rapier or a chaotic longsword would be very useful due to their extremely high stab bonuses.

Ranging from a safe spot is the most 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.

If the neither ranging or meleeing them is an option, then maging them is also very profitable. When using chaos gauntlets with bolt spells, one can hit up to 10 less then the corresponding blast spell.

100% drop

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