I am new on rrl and looking for something like 

• Once a human, now a parasite


• Gluttony


• Re:monster
  

Anything that involves great amount of abilities gained by MC. OP MC will be a bonus.
Does not only have to be one with the ability to steal abilities but can also be one which the MC has a lot of skills or gains skills rather easily. Harem would be a big bonus

Not read it, but something like this?
http://royalroadl.com/fiction/13297/re-a-snakes-life

As for what you're for in stealing abilities. I'd recommend
Underworld - Level Up or Die!

And for MC's with a lot of abilities( there are tons but i can only recall these at the moment)
Randidly Ghost Hound
A gamer thing

Skill takers domination

I can think of 2 off the bat:
Raak - Still fairly young story, through consumption
Core .001 - Frequent opdates, several volumes under the belt and a quality level worth reading. Through watching.

Thanks to all of you and I will ensure to read them all as I just finished one I started 3 days ago

I can't say that I have too many since I focus on their quality instead, but my characters still have a few spells at their withdrawal. How they work is also described and the MC has an ability steal, though it hasn't been used much since all she would got would be 'trash' or common things, which I didn't even mention a lot... lol

But if you like descriptive spells/evolving spells (evolved by the characters as they ponder about how to better them), then check out Queen Of Devouring in my signature.
Cya,

P.S:. #Self-advert whore

If I remember correctly Queen of Devouring is pretty good, although I will admit im way behind

fantasial apocalypse