Shields herself & nearby teammates.
Shield reduces dmg for next 6 atks, as low as 1 pt, & disappears after 6 atks/when its time runs out.
Protects teammates from stuns & knock backs.
Also casts dmg-absorbing shield for self & allies.
Becomes immune to most dmg & disabling effects, & then strikes an enemy.
If hit by a stun/silence/knock back/airborne skill during defensive stance, she will hit an area of enemies & cast an AoE taunt.