The Village Center Cursed Chest Guide - Kena: Bridge of Spirits

First of all, the bind multi shot is your best friend rot infused arrow is also very helpful.

You have to start by hammering everything with a quick attack to build up courage.

Second, the wasps start to show up, rot stun one of the enemies and shoot at him which damages everything else.

And continue with this tactic until the big guy shows up.

Then you have to keep your focus with rot stunning on him.

Doing this you should be able to make the time.