Board Thread:General Discussion/@comment-1255374-20150216052443/@comment-1255374-20150302043628

DPfanboy wrote:

Richyrich150 wrote: First of all, that was not retro mutagen that was human DNA and second, half mutant or not it will still fully cure Karai First off, What would Stockman use human DNA for during that part of the episode? Second it looked a lot like retromutagen! (Which wouldn't be impossible for stockman to create since his intellect is at par with Donnie)

Also, I never said she's half mutant! Actually you're not referring to Donatello's perfect retromutagen.