You must have weaknesses, you're not all powerfull
The Bijuu power(tails) will only be released when it is triggered. At genin level, each tail will be released ten posts at a time. At chuunin level, you can release each tail in seven posts. At Jonin level, four posts and can control the full form of the beast for five posts at which point you will turn back into your jinchuuriki-Bijuu form. The Bijuu are used like a bloodline for an advantage, do not twist it.
There will most likely be more rules to come