Bring Astarion or prepare for the ritual interruption
Enter Cazador’s palace and reach the ritual chamber
Use Daylight, Sunbeam, or other radiant damage to weaken undead enemies
Focus on killing the bats, vampire spawn, and adds first
Keep party members spread out to avoid area damage
Use Silence, Hold Monster, or Counterspell on Cazador when possible
Break or interrupt the ritual by stopping Cazador from completing it
Push Cazador away from the center if needed
Prioritize Cazador himself once the adds are controlled
Use radiant, force, and high-damage burst attacks
Keep Astarion protected if you want to avoid losing control of the fight
Finish Cazador quickly before he can recover or summon more pressure