I know pain well, as I have for many years
I've also known joy; these memories remain
My emotions mix and mingle inside my tears
As my body begins to weaken from the strain
Those who've seen me have seen my torment
After you left with him I could not feel
I lost my life, my love; now my soul laments
Through the years my wounds have yet to heal
Suddenly, a force erupts from deep within
I feel a strength I've never known before
The internal chaos from my blessings and sin
Has released a being, known only through lore
I've been to heaven, and I've been to hell
I've known pure bliss and the deepest sorrow
Once suppressed, my dormant power begins to well
I am no angel or devil, I am the Angelic Diablo
Wow! Great use of oxymorons and your feelings capture it well. Great poem. Keep it up.