User blog comment:B214/Question and Answers/@comment-213.106.131.123-20131026153358/@comment-1359322-20131026153853

There's no need to implant Regulus into Sairaorg, the current form of Regulus is just fitting for Sairaorg.

Probably no. He still wouldn't use it in Volume 12 against Heracles so he's still sticking to his two rules, well the first rule seems to overrule the second one though.