GENIN — Low, Normal
CHŪNIN — Normal, Near-Jonin
JONIN — Normal, Near-Kage
KAGE — Not much of a Difference Skill Issue
ELITE KAGE — 2 OR 3 times JONIN
TAILED BEAST — 10–20 times JONIN
From One-Tail to Nine-Tails, the amount only increases
Nine-tails, Complete Kurama's Chakra — 1000 times JONIN
And finally we have Hashirama...
Reserves? More than half of full-powered Kurama's!!!!! Fucking Monster, in every sense.
TAILED BEASTS also have high quality Density Chakra.
TEN TAILS — ???
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Natural Energy SAGE CHAKRA
You need JONIN-LEVEL chakra reserves, minimum, to feel Nature's Energy and draws it in. If you have less, Nature Energy will undoubtedly overwhelm your chakra and Boom your body is either a Tree or a Stone.
Need to balance Three Energies properly to avoid Side-effects, like Toad & Snake features...
Have to sit still to create Sage Chakra.
It's a great power with a very short time period. Duration increases proportionally as chakra reserves grows...
So,
More Chakra = Longer Sage Mode