Whoosh!
Three figures appeared behind Apexion; they were his clones. They flashed inside his body. Apexion then reached out and grabbed the skeleton's right paw with his own paw. Then,
"Fuse!"
He commanded in a domineering tone, after which the skeleton's right paw started to pulse and shift into a somewhat jelly-like substance. The liquid then started to meld with the bone in his right paw.
Crack!
Inch by inch, his bone shattered apart and was replaced by a jet-black rune bone.
"Pain!"
He felt pain like never before, pain that transcended the physical and struck his very spirit, it was as if he was being punished, punished for going against nature, punished for daring to become nature.
"Come!"
He shouted as he gritted his teeth tightly. So what if he had to endure pain beyond his imagination? As long as, in the end, his strength increased, and it meant he could evolve into a greater being, he was willing, he will even embrace pain itself, so long...