Board Thread:Theories and Speculation/@comment-45444155-20200728155230/@comment-32685487-20200731224512

Jiraiya takes on toad features probably due to him NEEDING Fukasaku and Shima to enter Sage Mode. Naruto couldn't use Fukasaku to enter Sage Mode because Kurama kept kicking him out. So Naruto had to figure out the shadow clone trick.