The Bastion of Twilight

Halfus Wyrmbreaker

• Halfus Wyrmbreaker
• Nether Scion
• Orphaned Emerald Whelps
• Slate Dragon
• Storm Rider

Each week a random three of Halfus's five captured dragonkin awaken. Each awakened dragonkin empowers Halfus and his enslaved Proto-Behemoth with an ability.

• Malevolent Strikes: Halfus's melee strikes wound his current target, reducing healing received by 6% for 30 sec. This effect stacks. This ability activates when the Slate Dragon awakens.
• Frenzied Assault: Halfus permanently increases his attack speed by 100%. This ability activates when the Nether Scion awakens.
• Shadow Nova: Halfus unleashes dark magic, inflicting 0 Shadow damage and knocking back all enemies within 0 yards. This ability activates when the Storm Rider awakens.
• Proto-Behemoth: Halfus's enslaved proto-dragon flies nearby, raining down fire upon those who threaten his master. Like Halfus, awakened dragonkin empower the Proto-Behemoth with abilities.
• Furious Roar: When Halfus reaches 50% remaining health, he periodically emits a Furious Roar. This terrible roar inflicts 0 Physical damage to all players and knocks them to the ground, stunning them for 2 sec. Halfus roars three times in rapid succession.

Theralion and Valiona

• Theralion
• Valiona
• Twilight Sentry

When the encounter begins, Theralion immediately takes to the air, while Valiona engages the attackers on the ground. The twin dragons share a single health pool, and each alternates between being airborne and fighting on the ground.

• Grounded Abilities: Theralion uses the following abilities while on the ground.
• Airborne Abilities: Theralion uses the following abilities while in the air.

Ascendant Council

• Feludius
• Ignacious
• Arion

At the start of the encounter, Feludius and Ignacious enter the battle. Arion and Terrastra then watch from the balconies above.

• Feludius: Ascendant Councillor of Water
• Ignacious: Ascendant Councillor of Flame

Cho'gall

• Cho'gall
• Corrupting Adherent
• Blood of the Old God
• Darkened Creation

Exposure to several of Cho'gall's abilities increases a player's Corruption level. For each point of Corruption they have, players suffer 2% additional damage from Cho'gall's Corruption of the Old God ability.

• Corruption: Accelerated: When Corrupted Blood reaches 25%, a player gains Corruption: Accelerated, which rapidly increases their Corruption level.
• Corruption: Sickness: When Corrupted Blood reaches 50%, players periodically become violently ill. They vomit and inflict 1,925 Shadow damage to players within a 5 yard long 20 degree cone in front of them. Players hit by this vile spew suffer increased Corruption.
• Corruption: Malformation: When Corrupted Blood reaches 75%, the corruption is so thorough that a tentacle Malformation erupts from a player's back. The tentacle periodically casts Shadow Bolts at the player's allies, inflicting 0 Shadow damage.
• Corruption: Absolute: When Corrupted Blood reaches 100%, players fully transform into faceless horrors. While in this state players cannot be healed, but inflict 100% additional damage and cast spells instantly.

Sinestra

• Sinestra
• Pulsing Twilight Egg
• Twilight Spitecaller
• Twilight Drake
• Twilight Whelps

At the outset of the battle, Sinestra is weakened from past battles and from nurturing the Twilight brood. She begins with only 60% of her maximum health, and her damage dealt is reduced by by 40%.

• Wrack: Sinestra causes a random player to suffer Shadow damage every 2 sec. for 1 min. with the damage taken increasing rapidly. When a player dispels Wrack, it bounces to two nearby allies of the afflicted player. Wrack retains its remaining duration but returns to its original damage values.
• Flame Breath: Sinestra unleashes a torrent of flame that sweeps across her platform, inflicting 0 Fire damage to all enemies.
• Twilight Slicer: Sinestra summons two shadowy orbs, each of which fixates on a player and begins to pursue that player. These spheres are linked together by a cutting beam of pure twilight energy that inflicts 0 Shadow damage per 5.2 sec. to any player who comes into contact with the beam. Each sphere also pulses twilight energy, inflicting 0 Shadow damage every 0.5 sec in a 5 yard radius. The orbs dissipate after 15 sec.
• Twilight Blast: When Sinestra cannot reach anyone in melee range, she blasts an enemy for 0 Shadow damage.
• Twilight Whelps: Sinestra periodically calls forth a set of five Twilight Whelps to attack intruders.