Stellar transformation question

Planning to watch Stellar Transformation since I just found out it’s by the same author as Swallowed Star, but I’ve been putting it off because of the MC’s face lol. I heard it’s going to be completed soon and that he even got a face change, so I think it’s finally time to give it a shot.

Just wanted to ask: how OP is the MC? (Is he even op?) Are there a lot of fight/action scenes? And how’s the overall show so far, including the latest season? Is it worth watching?

Is there any group subbing this? I heard translations on sites are terrible.