Rasha’nan attacks the current Tank with Savage Assault. This attack deals a lot of damage, and also applies a stackable debuff called Savage Wound. All damage from Savage Assault that was not mitigated or suppressed will be applied as a damage over time debuff, like a stagger effect.
Tanks should taunt at a time they feel comfortable and run out of personal defensives.
Frequently, several players will be affected by Infested Spawn. In Heroic, this marks these players with a green circle around them. As you can already guess, this will then deal damage to all players within that 5-yard circle upon expiration. Afterwards, this spawns an add that attacks their current target with Infested Bite that leaves a periodic damage debuff, and then starts roaming around freely attacking and biting everything around them. Make sure to gather these adds and crowd control them.
The new ability in the last phase is Spinneret’s Strands. This creates 10-yard circles around several players, and spawns Sticky Webs upon expiration. The affected players themself a tethered to the middle of these webs, pulling them slightly in and dealing damage while remaining inside. Breaking the link to the webs by moving out of it will explode with Spinneret’s Websnap for partywide damage, so you dont want to do it all at the same time.
In Heroic, all players hit by the initial hit will be tethered to it.
Having Rolling Acid rolling over these remaining Webs will cause them to explode with Acid Pool, dealing heavy damage to only players still inside that web, and transforming it to another voidzone that deals very high damage to players inside.
Rolling Acid is an effect applied to two players. Upon expiration, it spawns a poisonous wave in the direction previously indicated by that effect on that side. Make sure to aim it away from players by either walking to the left or right of your party.
Erosive Spray is a cast that deals heavy initial damage to all players, and additional damage every 1 second for 4 seconds. This can also afflict Lingering Erosion on players that deal even more damage over the next 12 seconds.
Frequently, Rasha’nan uses Caustic Hail which creates many green swirls that deal damage to players struck within their 4-yard impact radius. Some of the swirls will sadly create more Acid Pool’s to further annoy players.
One player will be afflicted with Web Reave, dealing damage that has to be soaked by a large group of players. This ability does not apply a debuff afterwards, so all players can freely soak this. If it fails to strike atleast 3 players, all players in your raid will suffer the full damage of Web Reave.
Upon reaching 100 energy, Rasha’nan flies to another location in the encounter area. When he lands, he starts casting Acidic Eruption which increases in its damage until players interrupt him.
During that time, he is immune to damage.
If there is no player standing close to Rasha’nan, he uses Tacky Burst to deal heavy damage until either players are dead or someone approaches melee range.