Beastmaster: I can see the complete encyclopedia of evolution

[MangaDex]

 

[C_A_T_T_]

AI Slop warning

 

[C_A_T_T_]

It's impressive how bad it is, that the chapters are all formated wrong.

 

[alter0]

It's impressive how bad it is, that the chapters are all formated wrong.

Thank you, almost went to read it cause the description sounded interesting enough

 

[Goldenzeal]

Thank you, almost went to read it cause the description sounded interesting enough

If so, then Monster Pet Evolution might be up your alley.
The story beats are very similar, but it's more goofy and not as dark.