Board Thread:Versus Debates/@comment-35155071-20180330190048/@comment-6769189-20180404113956

He used Kakashi to get ride of the seal on his heart. Obito was taking on KCM Naruto by himself and never used any of his stronger abilities against Kakashi in their 1-on-1.

Genjutsu can be undone by disrupting ones own chakra flow. Breaking out if genjutsu is actually one of the simpler things to do in the Naruto-verse with some chakra control with the exception of like, 3 genjutsu but Obito has the Sharingan so he will see through any genjutsu instantly and Preta Path so he will be able absorb any foreign chakra in his body.

Sasuke suppressed half a Kurama once at a time when he never cared to help Naruto and whos influence was held back by the seal, weak or not the purpose of the seal was to hold back Kurama. Even after getting his modded Rinnegan Sasuke never pulled off this feat again, even though it guarentee his win during VOTE2.