*slaps ur right cheek* stop. *slaps your left cheek* stop that. *punches you in the face* I'm not good with emotion when the person doing this is acting like a pansy. Suck it up. *sits with you* Okay Gilgex. Really listen here. Your doubting the strength of the Reaper? Boy you ARE the Reaper with Grimm. 

Just your fists? What, did his scythe dissappear?
I see you have soul control. Why drink all the souls? Use some of them as projectiles.
What about the zombies? That's a thing.
And portals are awesome for sneak attacks. Krystaal and Audio for example both have awesome head on strikes, but in their strength theres a weakness, it can leave them open to smaller attacks that they are not suspecting. Not all portals need to be huge, get creative. 
Hell you can still decapitate and all that with the scythe and portals.

See? You've got a lot on your arsenal. Now stop crying or I'll get my damn hammer. Your a Reaper alright, but until you show me the spirit your just a dang Styx swimmer. Never consider yourself weak or ineffective. *puts my hands on my hips*