Seiryu the Azure Serpent

Seiryu (pronounced Sayr-you) also refered to as the Azure Serpent, Guardian Beast of the Eastern Lands and the Spirit of Purest Water is a legendary serpent worshipped by the Acolytes of Seiryu. It is one of the four guardians of the Wushanko Isles and is considered the purest one by the monks, being a spirit of water. Shards of his power, in the form of spirit dragon charms, are dropped by Slayer monsters on Aminishi and can be used to access the Spirit Realm through The Well of Spirits.

Seiryu is featured in the Temple of Aminishi elite dungeon as the final encounter.

At an unknown date, Seiryu was chained and slowly corrupted by black crystals infused with the power of Xau-Tak. Seiryu would later be freed by several adventurers exploring the temple. He telepathically communicated with them and expressed his gratitude for freeing him from the crystals, stating that he felt another being in the same torment he had suffered underneath Forinthry, which is now known today as the Wilderness.

Mechanics
Seiryu attacks with magic by aiming a stream of purple fire towards the centre of the arena that splits into more streams that hit all players in the chamber. As opposed to the other 2 bosses in the dungeon, Seiryu's attacks seem to be random. Occasionally, he may take a deep breath (indicated by a popup message box) before sweeping a massive wave of fire across the entire arena that deals up to 8000 magic damage to each player, which can be healed off with Resonance or blocked with Devotion; this attack can miss. Players can also avoid the attack by running to the sides of his head. Vulnerability and Enfeeble will increase the damage taken by the boss and reduce the damage he inflicts by 10% respectively and should be taken to speed up the fight.

Throughout the fight, he also lowers his tail into the shadow, causing up to two shadows to appear under the players, one at a time. Move out of the way, as they will deal up to 2,500 damage per tick. He may also channel his energy into a specific spot, which will cause shadow arms to target players in a line much like Solak's root attacks, so players should move out of the way, the player can also stand on the target preventing his hands from spawning entirely (hands still fly out towards the players not standing in the target area and may hit you while running back to the boss, therefore it is better to decide if everyone is going to the target or not). As his health lowers, he will start covering one half of the platform with shadow arms which root the player and can deal up to 4,500 damage per tick, so players should run to the other side to avoid the attacks while taking note of shadow pools.

Continue damaging Seiryu until he loses 300,000 health, after which he collapses and becomes invulnerable. Players must destroy the black crystals on his collar; each one has health varying from 150,000 to 250,000 depending on group size. Jump onto his collar and attack the crystals; for groups, one/two players should jump on each side while the other stays behind to deal with the shadow enigmas. Should the enigmas touch Seiryu, they will heal him and the crystals. Soul Split does not heal players from damage dealt to the crystals.

Players have roughly a minute before Seiryu tosses the players back onto the platform; however, he will automatically launch them off should a shadow enigma touch him. This will also stun them momentarily, and players should immediately use Freedom.

Once all three crystals are destroyed, Seiryu is freed and the fight ends.

Drops
Two drops are rolled; the 100% drop and a common mob drop. For clarity, the 100% drop table is separated from the common drop table.

100%
Seiryu drops onyx dust, unless ancient scales are dropped, which replaces the dust.

Trivia

 * is one of the of the.
 * Seiryu the Azure Serpent's concept art was done by Mod DBarker, modeling by Mod JT and animations by Mod Wing
 * Seiryu was first mentioned in joint voyage of The Exile and The Whaler: "The Exile and the Whaler have heard rumours that a vein of azure on Bladewing Crag is actually the legendary dragon, Seiryu. Getting there will be tricky, but they wish to try."
 * Seiryu shares many traits with Yakamaru; they are both blue serpents with power over the element of water and have both been corrupted by powerful dark magic, they have the same combat level and they both are the final bosses of their respective piece of content.
 * The day after release, the life points of the black crystals were each reduced to 150,000 and 200,000 for solo and duo modes, respectively, after complaints of the length of the fight for teams of under 3 people. The same update made it so that players who fought Seiryu alone would be guaranteed 4-8 ancient scales as a drop.