"I am able to use some of the Phoenix's powers due to my brother blessing me with them."

Actually, he pauses to that, thoughtful. What's the difference other than the fact he hasn't ripped the Eikon away? He supposes the healing, before Joshua gifted the Phoenix to him at the end, he couldn't do that. Nor the shielding, or any of the other protective things the Phoenix can do. Hm.

"They manifest various portions of themselves onto me. Garuda's claws over my hands or feet, Titan's fists over mine, Shiva's... little cape and crown."

Shiva, he loves your Dominant but why that.