Idea for map objectives: Fixing "kill rare" with immersive objectives

My idea for map "completion" objective is to change "kill rare" into immersive random objective quests from pool that are connected to mechanics:


For example Exiles mechanic map completion:
- On this map the exiles have set up a camp - the exile camp consists of 5 weaker exiles.
- The Exile Thinks He's a God - The map has one powerful exile to slain -
- The Exiles perform a ritual to honor the gods Breach/Corruption mechanic - Kill all corrupted exiles (all items drop from exiles are corrupted) +1 breach on map
- Area contain librarian exiles, slaining them provide small amount of additional exp and random "artifact" that can be sold for high amount of gold- exiles are wearing only cloth armour and book as offhand
(def loot lizard exiles runing from you, catch them all!)

additional RNG, additional immersion, variety of map completion stuff, high mixing mechanics potential, atlas points potential. Barely fixing all issues with "find rares".