Try to avoid close combat with Lex. In this situation, it’s best to lob bombs from him at a distance. If you do end up in a close situation, Accelerant is a good choice to keep him down.
- Bomb King is not hard to hit. Any strafing side-to side will amount to nothing due to his general ... fatness? Width? Try and aim left and right, rather than up and down like most humanoids.
- 2 direct hits from Chain Reaction will leave you with 130 health. As such, it is impossible to kill a good Bomb King if any allies are nearby. Isolate the fight if the Bomb King has Chain Reaction.
- Try and get used to Bomb King's trajectory, both with and without Accelerant. This will make it much easier to land hits (Or headshots!) on him while he's midair.