This season 7 week 2 epic quest requires you to do 500 damage to opponents or opponent structures.

Some of the weapons you can use to go this quest are grenades, rocket launcher, shooting a gas can so it explodes and the cannon on the UFO.

This can be done in any game mode but I would advise you to do this in a Team Rumble game. The main reasons for this is you will respawn and keep your weapons, there are plenty of supply drops that can give you an epic rocket launcher and towards the end of the game there is a lot of building in a small area so doing explosive damage to opponent structures will be very easy.

There are lots of supply drops that come down especially in the later storm circles and I recommend you try and get to as many as them as possible to get a rocket launcher. I did this quest with a rocket launcher and it only took one rocket to complete this quest.