Is counterspell an ability check?

The description of counterspell says: If it is casting a spell of 4th level or higher, make an ability check using your spellcasting ability.

How do you handle counterspell?

Perception Check. The caster of Counterspell has to be able to see the caster of the spell they are trying to interrupt.
Don’t Automatically Reveal What Spell Is Being Cast.
Make The Players Act Instantly.
Get The Rules Right.
One Reaction A Turn Max.
Fight Fire(ball Extinguisher) with Fire(ball Extinguisher)

Can you counterspell Wildmagic?

Counterspell is not a valid solution do to spellcasting restrictions. By the rules, you can only cast one real spell per turn. If some interaction or ability were to allow you to cast a second spell, that second spell must be a cantrip.

Can a counterspell be used on a subtle spell?

Yes. It’s been established in the Sage Advice Compendium that (emphasis mine): If a spell that’s altered by Subtle Spell has no material component, then it’s impossible for anyone to perceive the spell being cast. So, since you can’t see the casting, counterspell is of no use.

What happens if you win a contest with Counterspell?

If you win, its spell fails and has no effect. If you win the contest by 5 or more, the creature takes 1d6 force damage per the spell’s level. Using Counterspell to try to counter a 4th or higher level spell isn’t overpowered compared to the suggested ability because it’s not all that likely.

Do you have to see the caster of counterspell?

Perception Check The caster of Counterspell has to be able to see the caster of the spell they are trying to interrupt. But let’s remember that they don’t get a little notification in their inbox saying “someone within 60ft of you is trying to cast a spell, would you like to try and counter it?”

Can You counterspell another spell in D & D?

This means you could action surge and cast another action spell, or counterspell someone else’s reaction spell, or both. This means you could counterspell someone else’s counterspell of your fireball, for example. -If you cast a spell with a casting time of one bonus action, you are done.