Don't force players to wait for boss/monsters scripted animation

Bring back allowing players to kill boss (and monsters) if they are able and not forcing them to wait for them to go through their entire scripted animation (ex: blooming field boss). Why? It's not attacking or doing anything that is engaging to the player except wasting time. I mean really, why? Ask yourself if this is fun or engaging or because someone spent time creating it that you're forcing player to sit through it just because it's there? This is equivalent to programming's Thread.sleep() instead of designing a proper system that actually works without a hardcoded pause.