* Add missing texts * Implement intro event * Update summon event (now Banish is canceled when all Brood of Anzu is killed) * Remove redundant checks and actions to prevent double-summon of Anzu (not needed anymore, handled in SAI) * Prevent calling Ikiss' intro if already done (cherry picked from commit fd42b894f35e5950ac97ddd0b63d2eddf43e9000)