1
Cheapest way in
×2
×2Incendiary Rocket275 HP per hit
Sulfur600
sulfur ore
sulfur oreTime6sto get in
BenchWB2to craft
275 HP per hit · 2 hits on 500 HP−50 HP overkill
Most players burn this
10 × Molotovno sulfur · 1m 35s
10 × Molotovno sulfur · 1m 35sCompare tools
13 tools · full bar = 4× the bestSort
ToolBench
Incendiary RocketWorkbench 2WinnerCheapest sulfurFastest×2600 BestWB2
Explosive 5.56 Rifle AmmoSemi-Automatic Rifle · Workbench 3×962,400 ×4WB3
Satchel ChargeWorkbench 1 · ~8 with duds×62,880 ×4.8WB1
Mortar ShellMortar · Workbench 2×103,000 ×5WB2
Beancan GrenadeStuck (right click) · Workbench 1 · ~31 with duds×263,120 ×5.2WB1
Propane Explosive BombPlaced · Workbench 2×43,600 ×6WB2
High Velocity RocketWorkbench 2×183,600 ×6WB2
RocketWorkbench 3×34,200 ×7WB3Beancan GrenadeThrown · Workbench 1 · ~43 with duds×364,320 ×7.2WB1
Timed Explosive ChargeWorkbench 3×24,400 ×7.3WB3
F1 GrenadeStuck (right click) · Workbench 2×1187,080 ×12WB2F1 GrenadeThrown · Workbench 2×37822,680 ×38WB2
40mm HE GrenadeMultiple Grenade Launcher · Found in lootLoot only×16LootWhy ×2?
How the game gets the number
500 HP÷275 per hit=1.82→ round up →×2Fire keeps burning after it lands, which the game files don't spell out, so 275 HP each is worked out from the burn, not a single hit.
Raw components
for 2× Incendiary Rocket
Intermediates flattened into raw components (gunpowder, explosives, low grade).