ahem...
uzi used his chakra to form a link between himself, grey hova(kage) and sauceghey. then, "it's hovi-kage (can't touch the untouchable, break the unbreakable...)" used the flicker technique to port them all to one of his kunai.
that's why hovi was beaming like a proud dad watching his only son who made it (uzi came up with a grey hova level strategy while getting face-palmed). and sauce was taking notes. i got money on sauce coming up with an attack strategy based on susano, the fox chakra, and possibly the flicker technique.
juubi, fighting for control, was trying to use a bijuu-dama to destroy the right half of his body, which contains hashirama's cells (via zetsu) AND the sharingan (which can be used to control tailed beasts). physical dominance of the body..
mentally, he was attacking emobito's mind, attempting to eradicate his memories/existence. mental dominance.
shyt was working. until he fukked up and triggered emobito's keith sweat swag by trying to erase rin's memory.
trying to defend himself, emobito triggered his sharingan, which allowed him to take control in the mental realm. the same way sauce was able to overpower the kyubi when he visited uzi & the fox on their mental realm. and probly why emobito strapped up with one rinnegan and one sharingan from jump street. the rinnegan to make his body a fit host. the sharingan to establish dominance.
from there... emobito graduated to full goon status. the rest is pretty straightforward.
the really trill shyt? for all that nonsense emobito was popping about wanting to be a nobody... he wasnt able to take control until his "reason to live" was threatened.
gimme my daps brehs.