As nasus, Focus on gaining stacks during the mid-game. It is important to continue stacking your Q otherwise, you’ll fall behind.

Draw pressure while your team tries to siege objectives elsewhere to open up the map. You may also try to sneak some objectives when your team is busy distracting the enemy.

Rotate around the map and assist your teammates if you have to. But, don’t over-commit to help them especially if you can secure objectives. As nasus, It is important to continue to stack your Q otherwise, you will fall back. Pull the pressure while your team tries to sit targets elsewhere to open the map. You can also try to sneak some goals when your team is busy distracting the enemy. Turn around the map and help your teammates if you have to.