Against nunu, When it comes to securing an objective like the Dragon or Baron, never go for the 50/50. Because of Nunu’s Q, he will win every battle. Try to take the objective when he is dead or on the other side of the map.

Nunu is rather immobile when it comes to team fighting (once the fight has started). Lock him down with crowd control and kite him during the team fight so he is unable to be the frontline and get on to your carries.

Do not clump together when it comes to team fighting. If you stand close to one another, he will use his Snowball W to engage from afar and run into the enemy. If you are all close to one another- he might be able to get a 5 person knock up. Instead, group but not too closely. Against nunu, When it comes to getting a goal like the Dragon or the Baron, never go for the 50/50. Due to Nunus Q, he will win every battle. Try to take the goal when he is dead or on the other side of the map. Nunu is rather still when it comes to team combat (once the fight has started). Lock him up with crowd control and kite him during the team fight so that he is unable to be the front line and climb to your portages. Do not tighten together when it comes to team combat. If you are close to each other, he will use his Snowball W to engage from afar and run in the enemy. If you are all close to each other - he could be able to mount a 5 person.