at Mythril Anvil IronBar It can be crafted at Mythril Anvil.
Flamethrower sits in the Mech tier (post-WoF) tier of Terraria progression based on its rarity rating (5).
Unreal is the strongest prefix for Flamethrower — +15% damage, +10% speed, +10% crit, +15% knockback (ranged only).
Flamethrower deals 35 base damage, 6-tick use time. Use the DPS calculator to see expected damage per second with prefixes and crit applied.