Hits for 5k max on an Anguish-level WAR, 4k max when defensive is used.
Casts A LOT, and rarely ever melees. Get the dot cured asap. If you plan on using defensives, save it for the last 15% hp.
The mobs around her become active when she goes below 10% health. Have someone ae mez or kite them while the rest of the raid finishes Cirwea.
The event can be done comfortably with two good groups (just make sure you have a main healer and a curer in each). One group is very risky.
Drops 2 items from her loot table, plus one discordant stone.