Because every time you learn 1J Johnson, the HP upper limit will increase 1%.

That is to say, if 69J learns to keep fit, he will have 3000 blood with a belt (counting the belt to increase 200 blood).

At 89J, bring an 80J belt (belt has 400 blood).

You will find that the band is (400* 1%)*% 1 cycle.

After clicking the attribute point, there is a bonus, just like the 89J point.

Official website Forum has a comparison.

You can go and see.