The stallion with the sliver horn

Phoenix silverhorn was the stallions name or at lest it had been for as long as he could remember his first name Phoenix came from the word being the first word he ever saw due to the mysterious device permanently attached to his arm the aged and cracked sreen still stuck on the word as for silverhorn that came from the horn on his head witch was originally light brown to match his skin but when he was younger it got cut off in a fight he wouldn't have a horn at all if it weren't for a mare with white skin and purple hair who made him a new one out of sliver but somehow his make-shift horn was more powerful then his real one use to be