AEthian is a warrior. Solid was a warrior. They both have their own vulnerabilites, and almost perfectly compliment each other. Solid's defensive and evasive while AEthian is stunningly strong.

So when Solid posed the question of fighting as one, AEthian jumped, but not at the idea. Solid did though, and at AEthian. Both now working as one, an unstopable machine of slime, love, wolf and kindness, ontop of relentless destruction of evil.