On Furafinity: http://www.furaffinity.net/view/11702732/

Another personal work in between working on all y'alls commissions.

Declan going from basic to Fire~

Read about Declan -> https://www.weasyl.com/character/16677/declan-basic

So yep. Declan has an alternate fire form which he usually only uses in battle and just to show off.