Against gangplank, In team fights, try to destroy his Barrels E before he can blow them up. This will reduce his AOE damage and his ability to win fights.

Try to avoid fighting in areas that are tight like around objectives or in the Dragon as his Ultimate R will hit your whole team. Fight in lanes rather than in the jungle and make sure you’re not grouped closely together.

Whenever Gangplank has his Ultimate R, ping your team so they know that he can impact skirmishes. Against gangplank, In team fights, try to destroy his Barrels E before he can blow them up. This will reduce his AOE damage and his ability to win fights. Try to avoid fighting in areas that are tight as around the goals or in the Dragon that his Ultimate R will hit your entire team. Fight in the tracks rather than in the jungle and make sure you are not grouped closely together. Every time Gangplank has his Ultimate R, ping your team so they know that it can impact skirmishes.