Board Thread:Theories and Speculation/@comment-31781841-20170420035030/@comment-3568954-20170420085928

senjutsu: reason, a shinobi with a good deal amount of chakra can train in senjutsu and increase the potency of all their jutsu, under senjutsu's effects all techniques become techniques beyond jonin level. a chunin who can enter chakra mode would instantly be able to overpower any jonin.

lightning release chakra mode: reason, the lightning stimulates nerves and greatly increases reflexes while strengthing the shinobi's defense and strength