Flame Boulders are a tier 3 wall trap in Lords Mobile. They are strong against infantry troops, but countered by siege engine.
Flame Boulders are the tier 3 counterpart of Rolling Logs and require a level 17 Academy before they can be unlocked.
Tier 3 traps are a significant upgrade from tier 2, but cost 50% more resources to build and take double the time.
The tables below show the research cost, stats and build cost.
|Time||4d 9h 55m|
Wall Strength II 3