How nasus should actually be buffed

Buffing nasus's damage is stupid, he doesnt need more damage, he needs tank/utility, there are better options then increasing his stack gains, and here's some suggestions just for you rito

1 - Rework spirit fire, this ability has its uses which aren't highly beneficial for what Nasus wants, an idea would to be instead make it do as stated below.

E - Spirit fire - New effect, nasus creates a zone dealing 0.5/1/1.5/2/2.5% max health (+10% of ability power) as magic damage per 0.5 sec for 5 seconds, additionally enemies within the zone gain a stack of Burning Judement, enemies hit with siphoning strike gain an extra stack of Burning Judgement New Effect - Burning Judgement - Increases the damage target takes by 2% per stack at 6 stacks stuns the target for 2 seconds, increases damage taken by 30% for 6 seconds and deals Siphoning Strikes damage (If the target dies to this, its treated as if they were slain by Siphoning Strike) to the target, Additionally if the target has Wither applied the duration (but not the slow) is refreshed

2 - Buff wither with utility

W - Wither - Updated ability, Slows the target for up to 90% for 4/4.5/5/5.5/6 seconds gaining 15% per second and attack speed is reduced by half of this, taking damage from spirit fire increases the duration by 0.5 seconds New Effect - Withering curse, Targets around the inital are afflicted with withering curse, applying the slows at half strength, if the target dies near other enemies, wither transfers to a new target with a refreshed duration

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Overall you get the idea, so find a better way to buff nasus plz