
A
BM-21
122mm multiple rocket launcher mounted on a Ural-375D truck.
🎯 Artillery elite🇷🇺 USSR🌍 Standard📊 Levels 1-12🎁 Shop
122mm multiple rocket launcher mounted on a Ural-375D truck. Devastating rate of fire and area damage.
Stats — Level 1
⚔️
Attack
77
🛡️
Defense
10
❤️
HP
215
🏃
Movement
9
🎯
Range
2
🎯 Active loadout — Level 1
1 skill⭐Rockets
Passive✨ New
Strikes several enemies at once and 60% chance to prevent them from counter-attacking
💡 This block shows the unit's actual state at the selected level. Perks superseded by a higher version (e.g. Lv.1 → Lv.2) are automatically hidden. The full progression log is available further down.
🎚 Level 1 → 12 progression
1
Current level
Novice
Lvl 1Lvl 5 ⭐Lvl 9 ⭐Lvl 12 ⭐
💡 Click a level or use the ←→ arrow keys
📜 Full perk history
Full chronological list — includes superseded versions. For the current loadout state, see the "Active loadout" block above.
1
⭐ Rockets
PassiveStrikes several enemies at once and 60% chance to prevent them from counter-attacking
5
⭐ Salvo
PassiveStrikes several enemies at once with no damage reduction on secondary targets
6
🏃 Forced march
PassiveMobility consumption on difficult terrain -35%
10
⭐ Critical attack
PassiveCritical hit chance +15%
10
🎯 Unaware strike
PassiveExcess critical rate becomes bonus damage: for each 2% of excess critical, +1% damage
11
⭐ Critical attack Lv.3
PassiveCritical hit chance +20%
11
🎯 Unaware strike Lv.2
PassiveExcess critical rate becomes bonus damage: for each 1% of excess critical, +1% damage
12
⭐ Critical attack Lv.4
PassiveCritical hit chance +30%
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⚔️ Strategy & pairings
📈 Recommended leveling order
- ✓Débloquer les perks milestones (5, 9, 12) en priorité
- ✓Les perks stat sont moins prioritaires que les active-skills
- ✓À partir du niveau 9, spécialiser selon votre style : offensif ou défensif
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Compare with other elite artillery

A
M7 Priest
American 105mm self-propelled howitzer on an M3 Lee chassis.

S
Heavy Gustav
The largest railway gun ever built — the ultimate siege artillery.

A
B-4 Howitzer
Soviet 203mm howitzer — one of the largest WWII calibers.
❓ Frequently asked questions
How do you unlock BM-21 in World Conqueror 4?
BM-21 is unlocked from the Elite Shop for 30 elite items (artillery category). It sits at tier A — a strong tier, sitting just below the absolute elite but fully competitive in Conquest and PvP.
What are BM-21's maximum stats at level 12?
At level 12, BM-21 peaks at 120 attack, 36 defense, 495 HP, 12 movement and range 3. Solid artillery profile — decent range and damage to break enemy concentrations.
Which milestone perks does BM-21 unlock?
Main milestone tier: level 5 "Salvo". That is the level to prioritize for BM-21 — it unlocks a passive effect or active ability that reshapes the unit's tactical profile.
How expensive is fully upgrading BM-21 to level 12?
Cumulative cost levels 1 → 12 for BM-21: ~268k industry, ~268k energy, 780 elite items, 60 badges. The main bottleneck is industry and elite items — hit the milestone levels 5, 9 and 12 first rather than evenly smoothing intermediate upgrades.
Which generals pair best with BM-21?
Pick Artillery-specialty generals (Bagramyan, Kuznetsov, Alexander, Konev) with Concentrated Fire or Artillery Supremacy. They extend range and amplify saturation damage.
In which scenarios is BM-21 most useful?
It shines as offensive support on fixed-objective maps: capitals, fortresses, choke points. Couple it with an assault unit to exploit the window its barrages open.
Sources: https://world-conqueror-4.fandom.com/wiki/Elite_Force · https://en.namu.wiki/w/%EC%84%B8%EA%B3%84%20%EC%A0%95%EB%B3%B5%EC%9E%90%204/%EC%97%98%EB%A6%AC%ED%8A%B8%20%EB%B6%80%EB%8C%80