Viperslash

This took longer than planned. Tweaked their designs a bit. My headcanon order of them being siblings is, Harpuia being the eldest, then Fefnir, Leviathan and the youngest being Phantom. I didn’t add their weaponry attachments cuz I in this story I have in my head is them in their “younger” years after being built and started their training up to becoming the four guardians of Neo Arcadia. In this tale, X is around for a short time being. Just enough time for him to get to know his children and watch them ascend to where they are now. X already planned to make Harpuia his successor even before he concealed the dark elf within his body. The four of them get their upgrade equipment later on.