ENDER LILIES: Quietus of the Knights

This is by far the easiest ending to achieve, unlockable roughly half way through the game on the far right hand side of the map, just past the Land's Edges respite, is a field of flowers you can attempt to purify. Doing so unlocks this ending.

After the ending, you are dropped to the main menu and jump right back in where you were.

See this map if you need further help on where to go:
https://steamuserimages-a.akamaihd.net/ugc/17141696697442081...