This is mostly based around his [REDACTED] form shown in his ref, his (extremely painful) transformation into that, and Ace and Heart's influence on him :p
I feel like The wind keeps on Pulling me back The fruits of My labor Keep molding To Black I just Wanna keep growing And growing my name But you're Showing me lies And just Hiding The truth Away And now that I stray From the roots that I Come from Its nothing I've played before I'm sore Its hurtin my core You're just peeling Away at my legs to my pores SO- SPREAD SPREAD SPREAD SPREAD MARCH FOR OUR FATHER UNTIL YOU ARE DEAD SPREAD ALL OUR ASHES ACROSS THE SIX SUNS AND DO NOT COME BACK UNTIL YOU ARE DONE WIPE YOUR TEARS AND GIVE THEM TO ME COME FACE YOUR FEARS AND LET THEM ALL SEE HOW USEFUL YOU ARE HOW USEFUL YOU'LL BE HOW USEFUL YOU'LL TURN OUT TO OUR COLONY SPREAD SPREAD SPREAD SPREAD THE WAY THAT WE DO IT IS WHAT IS CORRECT SO WAGER YOUR MORALS FEED YOUR REGRET JUST LET ME CONSUME AND NEVER REPENT GROW FARTHER THAN YOU'VE EVER GROWN GO FARTHER PAST THE EVERGREEN OR I'LL ASK, AND ASK, AND ASK YOU SO: WHY HAVE YOU FORSAKEN ME? Spread. [ SPREAD. SPREAD. SPREAD. SPREAD. ] March til you're dead [ MARCH FOR OUR FATHER UNTIL YOU ARE DEAD, SPREAD ALL OUR ASHES ACROSS THE SIX SUNS, AND DO NOT COME BACK UNTIL YOU ARE DONE. ] I'll beg [ BEG BEG BEG BEG ] Until I'm dead. [ BEG FOR YOUR LIFE UNTIL I GIVE YOU MORE, I AM YOUR FRIEND, ARISE FROM THE SCORN. DECAY ON ME AND LET ME BE BORN. ] SPREAD SPREAD SPREAD SPREAD DO NOT GIVE UP UNTIL I AM FED LET ME BE KNOWN LET ME BE SEEN LET ME INVADE ALL YOUR HOPES AND YOUR DREAMS YOU DO NOT KNOW HOW LONG I HAVE SCREAMED YOU DO NOT KNOW HOW LONG IT HAS BEEN SO LET ME OUT LET ME BE FREE WHY HAVE YOU FORSAKEN ME