With upcoming Veigar changes, Nasus doesn't seem powerful at all

It's this time of the year folks, few patches before World Championships! What occurs at this time yet again are buffs. That being said, stacking champions like have decent laning phase, strong mid game, and phenomenal late game. Unlike these, has abysmal laning phase, decent mid game and mediocre late game. It is because he has no CC outside of W, and for it to be strong he needs level 18, as he maxes it last. That being said, I think Nasus' gameplay should spike more than a simple +3/+6 Q dmg throughout the game, as he has many weaknesses. He has also never been reworked while released in 2009. Newsflash, it's 8 years later - the end of 2017.

Idea: Starting from 250 stacks, every other 150 stacks (50 regular creeps) gives an enhancement to one of his abilities of his choosing, similarly to . So the thresholds would be 250, 400, 550, 700, 850 and enhancements (in any order chosen) are:

Passive: Applies true lifesteal i.e. not affected by Grievous Wounds effects. Right now in the game there are many counters to lifesteal and his durability relies on this too much.

Q: Llifesteal gained from this ability is now calculated before armor mitigation. Same as with improved passive reasoning, this would allow for to be that raid boss he's always supposed to be.

W: Adds Grounded effect to the target. has no mobility, and this single target slow (weak until reaches lvl18) just doesn't cut the way he goes in order to reach low armor targets and unleash his tapped potential with maticulously stacked Q.

E: Added to current Spirit Fire, the enhanced zone serves introduces a new debuff: base stats cannot be changed in it ((HP, HP regen, Armor, MR, Att. Speed, Movement Speed).). Those already affected by a steroid have their base stats reverted. To put it simply, I see this something as a reverse .

R: For the duration of the ulti, he becomes immune to displacement effects (knockbacks, knockups, pulls). It only makes sense, as I've already mentioned his raid-boss like playstyle. His ulti actually increases his size, thus bringing sense of not being able to manipulate his positioning as easily (as with any boss).

Choosing any order of enhancements would bring versatility to , the lack of which he has been suffering with his extremely binary and rigid playstyle. For example, Passive+Q would make him more durable. W+E would make him almost a support champion, maybe even back to jungle (RIP Nasus jungle)? R would make him a better skirmisher/teamfighter, and for later stages (3+ enhancements) he would have to stack hard in order to reach (which in current super fast and teamfight/objective based meta is punished severely).

TL;DR: All this could be of course tweaked and finely tuned to reach right numbers, I am in no sense a LoL developer For example,. W and E could be interchangable, I don't see why can have such big Grounded zone while being more mobile and having more CC while the same reliable damage on E (as with Nasus Q).

P.S. I have nearly 880k mastery, just gonna mention it by the way. Share your opinions/comments, but please keep it a constructive criticism.