It's underwhelming.
I spammed AP Nasus in the Poro King mode, and often had the most damage to champs in the game, even if I lost. His poke is absolutely devastating; long range, large AoE, high initial damage then burn afterward. It's got a long CD and it drains mana quickly, but luckily
and
exist. So all during the first half of the match, I was just laying down zones of murder.
Then that phase ended and teamfighting began. After that, AP Nasus isn't really good for that much. You throw down your E once, maybe twice a teamfight. You wither someone who's either diving your carries or on the enemy ADC. You ult and wade into the middle of things, hoping to hit as many champs as you can for maximum sustain like a
. The trouble is that you need a lot of AP for your ult to sustain you well, but you also need enough defensive stats to keep you alive long enough to sustain. It's difficult to get both unless you're ahead.
The appeal of AP Nasus is his laning phase. It's oppressive as hell. You lay down E, clear the minion wave, and take a large chunk of the enemy laner all at the same time. Wither and constant harassment makes sure the enemy laner won't farm much. It's sort of like jungle
, where your goal isn't necessarily to become strong and carry, but to make sure your opponent is even more useless than you are when teamfighting begins. You ever see a
with 25 farm and no kills fifteen minutes into the game? He might as well AFK for all the good he's doing in teamfights. That's what laning against AP Nasus does.