I know there's a post at: http://www.mmowned.com/forums/world-...ast-phase.html
BUUUTTT it doesn't explain the right method to stop the adds! When he enters green phase, attempt to knock him to 25% when he casts the Release All spell, releasing the two big adds for the last phase. If you time it right... the green vial explosion will knock him before he completes Release All, interrupting it! And he doesn't recast it!