Sigma Wrath is Wrath in BakuHuman form. This was the form he took to destroy the villages. He was stopped by Blaze,Death,and Kyle. He returned again in this form in the battle between him,Zero Dragonoid,and Ultima Hydranoid. He is able to turn into this form at will but it requires an amount of energy that could rip you to shreds during transformation. He took this form to capture 3 of the Ultima Vestroia guardians. This form has an enhanced version called Beta Wrath.