Players focus Mob 1 before Mob 2, and Boss 1 before Boss 2.
When threat reaches 7, bosses attack before mobs.
Implement move action chance for player and enemies.
Implement special round 1 move action chance.
Allow different setups per player.
Implement healing in some way.
Implement single-use resources for players, if they want to go all-out.
Implement area attacks.
Implement player armor.
Implement negative effects like prone, or increase move action chance.
Track overflow damage.