Vlue's Basic Quest System Addon: Kill Quests
(Vlue's Basic Quest System + After Battle Events edit)
Vlue's Basic Quest System is OK for use in both commercial and noncommercial projects, just credit him.
So, you have your Basic Quest System... but one thing is still missing: Kill...
The other day I posted a merchant airship tileset and said it was overflow from my Advent Calendar. @Avery said something like "that's one way to flex!" Well, this morning I woke up and realized THAT I MISCOUNTED AND AM SHORT BY ONE DAY. My face and palm are now perfectly fused together.