Vast Essence:: 自分's soul encompasses all of existence
Soul:: 自分's soul's a [Law] of existence itself
[Law]:: All things inevitably suffer (Obviously)
Torment:: 相手's trauma itself begins eating 相手
Suffering:: 自分's mere presence causes suffering
自分's a colossal sword god whose mere sword is as vast as a multiverse itself, containing countless civilizations in its complex.
自分's a cruel god, sacrificing countless civilizations each strike, as such, write the death toll in 自分's sword in this format mid-battle, wherein {n} denotes a random number (Meld it nicely into the narrative):
[Death Toll]: {n}^(100000^{n})
[They All Scream In Agony]