Ebondrake Citadel (Black Dragon Prison) is one of the two new dungeons released in Blade & Soul CN in June 2015. The guide explains the boss skills and stage mechanics for the dungeon.
Stage 1 : Buka
HP: 20, 400, 000
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The first boss of Ebondrake Citadel, Buka will start with some normal attack skills, see video below for the normal attack sequence.
After that, he will summon a Lightning Circle on the ground. The Lightning Circle will deal continuous damage and stay on the field through the whole battle.
If there are a total of 10 x Lightning Circles on the field, he will go berserk, resulting in party wipe. Typically, he will follow up with a whole field AOE burst attack (cannot be blocked) after the Lightning Circle.
Subsequently, he will use one of the 3 special skills which need to be disabled with specific type of status, either weaken (groggy), stun or knockdown.
1. Neck Skill: Raise his right arm with weapons and swing in the air to summon 3 mobs. After that, he will spin 1 time. Your party need to double stun him before he finishes the spinning action. Otherwise, he will summon 2 more groups of mobs and leave 2 more Lightning Circles on the ground.
2. Shoulder Skill: Curl up its body, unleash whole field AOE burst attack with knock back effect, followed by with a spin. Similarly, you will need to double daze him before he finish his spinning animation. Otherwise he will use 2 x burst and leave 2 more Lightning Circles on the ground.
NOTE: this is the most troublesome skill; make sure to resist the push back so that you can have sufficient time to weaken him.
3. Leg Skill: Charge towards the aggro holder, and knock back the target. After hitting the wall, he will use a spinning attack.. The party need to double knockdown AFTER Buka hits the wall, but before he finishes his spinning attack. If you fail, he will charge 2 more times and generate 2 more Lightning Circles.
The order for the 3 skills is random. If you disable the boss correctly, the corresponding debuff will be applied on the boss: broken legs, cracked throat, dislodged shoulder. When all the 3 debuffs are applied, the boss cannot use these special skills for a while, until the debuffs expire.
Typical Skill Sequence: Lightning Circle > ~2 times of Special Skills (need disable accordingly) > Lightning Circle > repeat.
Stage 2: Magolka
HP: 15, 400, 000
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The normal attack sequence for the second boss is shown in the video below:
At 90%, 50% &10% HP, the boss raises his staff high, summons 2 Adds (A and B) and inflicts everybody with the corruption debuff. He can be disabled at this moment.
Add A (Warrior): He will charge towards someone when he spawns. Need to double cc immediately. When the word “Protect the boss” appear on the screen, he will beat his chest and cast a whole field AOE skill to stun every one. It should need to be double cc again.
Add B (Frog): He will jump to the member who is attacking the boss; he should be double-disabled immediately when he is spawned. He will throw 4 x poison balls, which can be resisted with ranged resist skills (Force Master’s dome, Summoner’s Pollen etc). After that,
These 2 adds need to be attacked immediately when they appear so that they won’t jump to the destroyer/lyn blade master who is lifting the boss.
After summon the 2 adds, the boss will use Laser Beam at the aggro holder and throw 4 x balls at random members (can be blocked). Subsequently, he will use 5 x AOE attack, which deals very high damage if the Corruption debuff is still on your party (in this case, you can’t move at all).
Killing the 2 adds will dispel the Corruption debuff. The boss can be disabled immediately after he finishes his 5 x AOE attack.
Therefore, it is very important to kill the 2 adds BEFORE the boss uses the 5 x AOE attack. Destroyer or Lyn Blade Master should disable the boss or even flipping it up in the air, with Kung Fu master pinning it back down to the ground to buy more times for the other party members to kill them.
If the party still fail to kill the 2 adds after the 5x AOE, Magolka will absorb them to heal 500k HP each and gain an attack buff.
NOTE: There seems to be a bug in BnS CN, whereby it is useless for destroyer to grab and flip the boss. The boss will use 5 x AOE attack after a certain duration, even if he is in the air or being lifted. My personal suggestion is, ignore the boss, just focus on killing the 2 adds with damage protection skill on.
He will go into Corrupted Sphere attack mode at 70% & 30% HP and summon a Corrupted Sphere on the field. This attack mode is split into 2 phases.
Triple Jump-Charging phase
The boss will jump to the furthest member from him, followed by a whole field AOE attack. Disable him after the jump, before he use the AOE attack.
If the disabling fail, he will jump again and generate 1 more Corrupted Sphere.
If you manage to disable him, he will charge at a random party member. Someone need to block /counter the charging, right in front of him. Also, make sure that all party members are in line with the blocker and boss to facilitate the blocking.
He will repeat this attack sequence for 2 more times. Take note that the charging speed increases from the 1st one to the 3rd one.
During the triple jump-charging phase, do not lift or grab the boss at all. Otherwise, the boss will do the jump one more time.
Moving sphere phase
After the triple jump-charging phase, he will go into moving sphere phase, and jump to the middle of the room.
The corrupted spheres on the field will start moving around and need to be blocked/countered within 15sec. Anyone who block the balls will be frozen. At the same time, he will throw 8 x projectiles at random party members (use projectile resist skill again).
If you fail to block the corrupted spheres, the spheres will explode (high damage & knock back), heal the boss and buff his attack.