Skullius had deactivated the defensive properties of his nimbus. It had an automated system where it targeted enemies with Maximum Frost and Melding Stitches, but Skullius knew that wasn't going to work on Fulgardt and would only waste his Amras. Even the [Entropy's Harmonising Nimbus]'s ability to perceive, deconstruct and replicate concepts it was introduced to was likely not to work on Fulgardt whose entire arsenal revolved around [Evil Darkness] and [Just Light].
Skullius already had those abilities. Fulgardt was probably just much better at using them rather than reliant on creative, compound elements that applied these darkness and light. If he simply used those original Insurgent Magnus elements, there was not a lot the nimbus could do about that.
'Or maybe I'm wrong. Let's see,' the Hybrid Warmoth thought and got ready for the real brawl. The taste test had told him to be especially wary of the Immoral. His hand-to-hand technique was lethal. 'To increase my attack power…'
