Enemies could evolve and swap characteristics in different life stages

That implies that enemies could "eat"

You have a life - inventory size

Passive abilities (take slots of life)

Move - move - dash

Frame rate drop / world ticks faster

Double tap

Tripple tap

Shrines where you can donate ability to next generation of you

Some objects are blocking but movables and these objects may resolve conflicts of being moved. E.g. if you push a stone into a wall where wall means water the wall becomes normal ground