Many Bomb King players lay "traps" throughout the maps. When you see sticky bombs on the floor or on walls, shoot them to destroy them! They take no more than 5 bullets to destroy and can save a teammate from walking into it and getting blown up.
Pressuring a Viktor at the backline can be successfully done in open maps like Frog Isle. Build cauterise and haven to survive the 1v1 encounter and use heroic leap to close down distances covered by Hustle or to save yourself.
Do not rush the objective when there is a deadzone placed. This means playing passively and prioritising targets on the enemy team while waiting for the deadzone to disappear. Once it's gone, the team can group up and start to slowly cap the point.
When is dealing with someone else use poison arrows and then keep shooting (dont forget legendary card fot poison damage boost). Now thats a definite kill.