[quote=@Nimda]
<Snipped quote by souleaterfan320>

Blame him or not, it's disadvantageous. The Mad Blood requires a still target, so it's not exactly easy to set up.
[/quote]

Fair point. 

Shinji won't be needing to power up anymore, this form is so powerful that it generates its own energy, and if need be, he can draw energy from his surroundings.