[quote=LimeyPanda]
Narrator, Can you describe what you mean by Self-Alteration? That can be a lot of things, ya see.
[/quote]

[quote=Lucius Cypher]
Indeed, I am unsure if this allowed by i was hoping to reserve the powers of "Shapeshifting" [...]
[/quote]

Self-Alteration is basically shapeshifting with Alchemy. Giving yourself claws, wings, gills and so on through the use of Sigils (in Rex's case, anyway.) Sorry to rain on both of your parades...