Affect non-moving NPC's - use entity’s bounding box to find and hurt non-moving monsters. This will produce wrong results on non-cuboid brush shapes.
Full dmg every 0.5 seconds. By default trigger_hurt deals half of the damage every 0.5 seconds. Tick this flag to make entity deal the full damage every 0.5 seconds.
Ignore Armor - ignore player’s armor. Do damage directly to the health.
No Camera Punch - don’t punch player’s view camera.