youmouu`s shouldnt cancel kha`s ultimate like talon was made some time ago

also ,he should be able to W when in air like rengar can E BOLA while jumping give some ad ratio back on E ,20%bonus is weakest.give like 50-60% bonus( was 80%) now its 20% give passive some ad scalling ,since it has 50% ap ratio, but ap from where?trinity ? baron ?yes ? should i buy rabbadon to SCALE INTO the LATE GAME` ?

Q non isolate dmg bonus lower cd of W by couple of secs remove R delay and maybe give it 10-25% dmg reduction if evolved