User blog comment:Craftyfirestorm77/Summoner Spells on Fizz/@comment-9463023-20130715203326/@comment-6061249-20130716004402

Exhaust useless, right? You don't even know how far more superior is it than ignite. Doesn't matters where, combined with defenses reduction from masteries it's suprisingly much better than ignite is. Exhaust can give you 100% chance of catching an enemy, ignite can't. Exhaust can give you advantage against an enemy that deals even twice more damage than you do, ignite can't. Exhaust can save your life while the enemy is about to get you, ignite can't. The only thing ignite can do is ending your total burst and finally getting the kill, which fails more oftenly than people think. Reducing healing isn't nothing extraordinary, it can be achieved in multiple ways. Exhaust is still OP in late game, ignite isn't. Do some maths, compare things and you'll be suprised. Both spells oftenly cause your enemy to run, breaking the fight while using ignite, and making it pretty funny while using exhaust because they can maybe dream about escaping unless they can't extend the gap.