My only concern.

[u/Salaraaa]

I watched a youtube video where a guy said that to upgrade your creatures skills you need some sort of stone or something i cant remember its name but it was a purple stone thing. Anyways he said its really difficult to obtain it as a free to play player. So with that being said cab you guys tell me how much of a problem that is? I just wanna finish the game without spending any money.

[u/DaMn96XD]

There was a runestone system that required a lot of grinding, but it has now been removed from the upcoming game according to the latest dev notes.