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Event reward fire helicopter.png
F-51 Hell Fire
Unit Type Helicopter-Fast
Short Name Hell Fire
Other Requirements Boss Strike
Immunities BN iconCold.png Cold Environment
StatusEffect-plague.png Plague
Suppressor quake icon.png Quake
Blocking None
Defense
(Max Rank)
Stat-HP.png 340
DamageMeleeVulnerable.png 125%
Damage fire.png 65%
DamageBulletVulnerable.png 110%
Stat-Armor.png 155
DamageMeleeVulnerable.png 110%
Damage fire.png 80%
Damage piercing.png 100%

Overview[]

The F-51 Hell Fire is the third helicopter introduced in Battle Nations, and is the Tier 7 reward of the 6th Boss Strike, Evaline Acehart's Airstrike.

Its first attack, Scorched Earth, is a powerful Damage fire.png-type damage attack targeting ground units in a unique pattern. It is 25% armor piercing and has a 70% chance of added StatusEffect-fire.png Damage-over-Time for 3 turns.

The second attack, Deep Flame, targets an entire column of ground units dealing moderate Damage fire.png-type damage. This attack has a slightly lower chance of adding StatusEffect-fire.png Damage-over-Time (60%) and only lasts for 2 turns.

The third attack, Targeted Attack, is a typical anti-air attack dealing Damage piercing.png damage to an enemy Air unit.

Attacks[]

Ammo: AmmoIcon.png 3
Reload: 6 Rounds
HellFire ScorchedEarth Damage.gif
Attack Icon UnitAbility flame 3wide icon.png
Targetable Unit Types
Air X mark.png
LTA X mark.png
Soldier Yes check.png
Sniper Yes check.png
Vehicle Yes check.png
Tank Yes check.png
Metal Yes check.png
Critter Yes check.png
Civilian Yes check.png
Sea X mark.png
Ship Yes check.png
Rank Available 1
Range 1-5
Line of Fire Indirect
Ammo Used 1
Cooldown 2 Rounds
Armor Piercing 25%
Suppression Mod x1.25
Effects StatusEffect-fire.png 70% (3 Turns)
Rank 1 2 3 4 5 6 7 8 9
Damage fire.png Damage 23-32 29-41 36-51 50-70 57-80 69-96 71-99 73-102 75-105
StatusEffect-fire.png DoT 14→5 18→6 22→7 30→10 34→11 41→14 42→14 44→15 45→15
Stat-Offense.png Offense 71 81 91 101 111 121 126 131 136
Stat-Critical.png Crit 5% 10% 15% 15% 20% 20% 25% 25% 30%
Class critter.png Crit vs. Critters 25% 30% 35% 35% 40% 40% 45% 45% 50%

Ammo: AmmoIcon.png 3
Reload: 6 Rounds
HellFire DeepFlame Damage.gif
Attack Icon UnitAbility flame 4deep icon.png
Targetable Unit Types
Air X mark.png
LTA X mark.png
Soldier Yes check.png
Sniper Yes check.png
Vehicle Yes check.png
Tank Yes check.png
Metal Yes check.png
Critter Yes check.png
Civilian Yes check.png
Sea X mark.png
Ship Yes check.png
Rank Available 1
Range 1-4
Line of Fire Precise (Fixed)
Ammo Used 1
Cooldown 2 Rounds
Armor Piercing 25%
Suppression Mod x1.25
Effects StatusEffect-fire.png 60% (2 Turns)
Rank 1 2 3 4 5 6 7 8 9
Damage fire.png Damage 17-21 22-27 27-33 37-46 42-52 51-63 52-65 54-67 56-69
StatusEffect-fire.png DoT 10→5 12→6 15→8 21→10 24→12 28→14 29→15 30→15 31→16
Stat-Offense.png Offense 61 71 81 91 101 111 116 121 126
Stat-Critical.png Crit 5% 10% 15% 15% 20% 20% 25% 25% 30%

Ammo: AmmoIcon.png 4
Reload: 6 Rounds
HellFire TargetedAttack Damage.gif
Attack Icon UnitAbility mg straight shot icon.png
Targetable Unit Types
Air Yes check.png
LTA Yes check.png
Soldier X mark.png
Sniper X mark.png
Vehicle X mark.png
Tank X mark.png
Metal X mark.png
Critter X mark.png
Civilian X mark.png
Sea X mark.png
Ship X mark.png
Rank Available 1
Range 1-5
Line of Fire Indirect
Ammo Used 1
Cooldown 4 Rounds
Armor Piercing 10%
Suppression Mod x0
Rank 1 2 3 4 5 6 7 8 9
Damage piercing.png Damage 11-13(x3) 14-16(x3) 17-20(x3) 24-28(x3) 27-32(x3) 33-39(x3) 34-40(x3) 35-41(x3) 36-42(x3)
Stat-Offense.png Offense 43 53 63 73 83 93 98 103 108
Stat-Critical.png Crit 15% 20% 25% 25% 30% 30% 35% 35% 40%

Statistics[]

F-51 Hell Fire Ranks
1 2 3 4 5 6 7 8 9
Resource-SP.png SP N/A 140 500 1,350 3,800 7,525 37,275 266,075 1,150,550
Stat-HP.png HP 80 120 (+40) 160 (+40) 200 (+40) 240 (+40) 280 (+40) 300 (+20) 320 (+20) 340 (+20)
Stat-Armor.png Armor 0 0 0 30 (+30) 55 (+25) 80 (+25) 105 (+25) 130 (+25) 155 (+25)
Stat-Armor-HP.png Total 80 120 (+40) 160 (+40) 230 (+70) 295 (+65) 360 (+65) 405 (+45) 450 (+45) 495 (+45)
Stat-Bravery.png Bravery 15 20 (+5) 25 (+5) 30 (+5) 35 (+5) 40 (+5) 45 (+5) 50 (+5) 55 (+5)
Black shield.png Defense 15 15 20 (+5) 25 (+5) 30 (+5) 35 (+5) 40 (+5) 45 (+5) 50 (+5)
Stat-Dodge.png Dodge 5 5 10 (+5) 15 (+5) 20 (+5) 25 (+5) 30 (+5) 35 (+5) 40 (+5)
Stat-Ability.png Ability Slot 3 3 3 3 3 3 3 3 3
Promotion Cost N/A Resource-time.png 4h
Resource-Gold.png 480
Resource-time.png 12h
Resource-Gold.png 2,160
Resource-iron.png 2,800
Resource-time.png 1d
Resource-Gold.png 6,592
Resource-steel.png 2,812
Resource-bars.png 2
Resource-gear.png 3
Resource-time.png 2d
Resource-Gold.png 20,552
Resource-steel.png 4,927
Resource-bars.png 5
Resource-gear.png 4
Resource-time.png 2d
Resource-Gold.png 27,350
Resource-steel.png 7,605
Resource-laurels.png 5
Resource-gear.png 5
Resource-time.png 2d 16h 24m
Resource-Gold.png 143,930
Resource-steel.png 11,700
Resource-laurels.png 4
Resource-widget.png 2
Resource-time.png 3d 4h 48m
Resource-Gold.png 1,730,552
Resource-steel.png 12,352
Resource-laurels.png 5
Resource-widget.png 2
Resource-time.png 3d 4h 48m
Resource-Gold.png 7,823,744
Resource-steel.png 14,332
Resource-laurels.png 5
Resource-widget.png 2
Promotion Reward N/A Resource-xp.png 500 Resource-xp.png 1,200 Resource-xp.png 2,500 Resource-xp.png 4,100 Resource-xp.png 6,100 Resource-xp.png 5,000 Resource-xp.png 6,600 Resource-xp.png 6,600
Level Req 1 12 20 31 41 51 60
Pre-Rank Req 1-14 15-24 25-34 35-44 45-54 55-64 65-70
PvP Unit Value 5 9 12 17 21 26 29 33 36
Resource-SP.png SP Reward 20 36 48 68 84 104 116 132 144
Resource-Gold.png Gold Reward 100 180 240 340 420 520 580 660 720

Cost[]

    Healing Cost
    Level 1 2 3 4 5 6 7 8 9 10
    Resource-time.png Time 5h 5h 5h 5h 5h 4h 30m 4h 3h 30m 3h 2h
    Resource-Gold.png Gold 15,000 12,500 10,000 9,000 8,000 7,000 6,500 6,000 5,500 5,000
    Resource-iron.png Iron 900 750 600 540 480 420 390 360 330 300
    Resource-oil.png Oil 315 263 210 189 168 147 137 126 116 105
    Healing Cost
    Level 1 2 3 4 5 6 7 8 9 10
    Resource-time.png Time 4h 30m 4h 30m 4h 30m 4h 30m 4h 30m 4h 3h 30m 3h 2h 30m 1h 30m
    Resource-Gold.png Gold 13,000 10,500 8,000 7,000 6,000 5,000 4,500 4,000 3,500 3,000
    Resource-iron.png Iron 780 630 480 420 360 300 270 240 210 180
    Resource-oil.png Oil 273 221 168 147 126 105 95 84 74 63

    Trivia[]

    • This unit looks similar to a CH-47 Chinook helicopter with flamethrowers attached to the sides.
    • The F-51 designation may refer to the P-51 Mustang, a fighter airplane. It is interesting to note that the P-51, once the US Army Air Force became the US Air Force, became the F-51.
    • The Hell Fire name may be a reference to the AGM-114 Hellfire anti-tank missile.
    • There is a book known as Fahrenheit 451, 'F-51' may be a joke of the the pronunciation of 451, "Four-Fifty-One".

    Updates[]

    3.2 Patch

    • Added through server-side update; only available through Boss Strike.

    Gallery[]

    Weapon Animation
    Idle Air flame helicopter front idle.gif Air flame helicopter back idle.gif
    Deep Flame Air flame helicopter front attack1.gif Air flame helicopter back attack1.gif
    Scorched Earth Air flame helicopter front attack2.gif Air flame helicopter back attack2.gif
    Targeted Attack Air flame helicopter front attack3.gif Air flame helicopter back attack3.gif


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