Note : Link this to the monster Ideas discussion plz. I made a discussion instead of commenting because i feel like forum users generally ignore long comments.
I though of the parasite monster i dea i had and i dont think a monster that goes into a wildlife animal’s body will work. So i did a little rethinking and got a idea based of Alien aka the Xenomorpth.
To summerize, when the monster evers it can evolve over a dead wildlife corpse to gain a respected mini buff from that animal. (that can count as its passive). It doesnt have to though , it can still evolve normally anywhere but if it evolves over a animal it gains a respected mini buff from that animal.
The Xenomortph from Alien hatches from a planet’s local wildlife to make it easier adapteble to the planet , by mixing it’s victim’s DNA with its own DNA/HNA. The same can be done here.
If for say it evolves over a Armadon it gets a 5 % damage resist buff. if over a reaver it gets 10 % climbing speed , and so on.
What do you think about the idea.