Here's how you beat veigar in late game

Nasus isn't a late game champion. He gets melted by AD carries and never gets to reach the backline, nor does he have armor pen to hurt the frontline.

after he uses one of his skills he is done

I mean, it's pretty simple really. Make him use his E. Get on his face. Pound him into the fucking ground.

If you have the right champion, there's also the option to just outrange him.

Really, Veigar's late game isn't as good as people make it out to be. It's definitely not bad, but mid-game is where Veigar really shines.

Biggest damage with his 1200 AP and biggest stun in the game, I think of it as a massive tibburs on like a 12 sec cd. So you can just stand in it and not be stunned? But then you still have to stand in it, boop.

Hard engage him or his team, he can't do a lot of damage to multiple people unless they are stacked.

Never tried the element of surprise huh?

Hey if he kills me he'll go down with me.

If that's a 1 for 1 I'll take it.

You get magic resist and avoid his abilities. He's also squishy, so get an assassin, marksman, or another mage to kill him. His only ability that doesn't need aiming is his ultimate, which is an execute so it relies more on him landing other abilities.

Or don't walk up to him or facecheck bushes. Yes, he has an insane lategame burst but his range is so small, he'll either get poked to death or get all-ined if he tries to catch someone with his stun.

Wouldn't Nasus be bad because unless he build's Merc Scim he's not going to be able to reach a good Veigar? If Nasus built Banshee's even, a good Veig would prioritize breaking the shield with his Q.