For the convenience of the majority of players, here we show you (all fighter upgrade costs in National Aircraft War)
Adventure Wings ★☆☆☆☆ LV.30 Purchase fee: Free
Level 2---200 Level 3---300 Level 4---400 Level 5---500 Level 6---600
Level 7---700 Level 8---800 Level 9---900 Level 10---1000 Level 11---1200
Level 12---1400 Level 13---1600 Level 14---1800 Level 15---2000 Level 16---2200
Level 17---2400 Level 18---2600 Level 19---2800 Level 20---3000 Level 21---3200
Level 22---3400 Level 23---3600 Level 24---3800 Level 25---4000 Level 26---4200
Level 27---4400 Level 28---4600 Level 29---4800 Level 30---5000 Total cost: 62000
Counterattack Angel ★★☆☆☆ LV.30 Purchase cost: 50000
Level 2---200 Level 3---300 Level 4---400 Level 5---500 Level 6---600
Level 7---700 Level 8---800 Level 9---900 Level 10---1000 Level 11---1200
Level 12---1400 Level 13---1600 Level 14---1800 Level 15---2000 Level 16---2200
Level 17---2400 Level 18---2600 Level 19-30 is fixed at 5000 per level. Total upgrade cost: 91400
Sweetheart God of War ★★★☆☆ LV.40 Purchase cost: 518 diamonds
Level 2---200 Level 3---300 Level 4---400 Level 5---500 Level 6---600
Level 7---700 Level 8---800 Level 9---900 Level 10---1000 Level 11---1500
Level 12---2000 Level 13---2500 Level 14---3000 Level 15---3500 Level 16---4000
Level 17---4500 Level 18---5000 Level 19---5500 Level 20---6000 Level 21---6500
Level 22---7000 Level 23---7500 Level 24---8000 Level 25---8500 Level 26---9000
Level 27---9500 Level 28---10000 Level 29---10000 Level 30---10000 Level 31-40 50 diamonds per level
Total cost: 128900+500 diamonds
Gryphon God of War ★★★☆☆ LV.40 Purchase cost: 300 diamonds
Level 2---200 Level 3---300 Level 4---400 Level 5---500 Level 6---600
Level 7---700 Level 8---800 Level 9---900 Level 10---1000 Level 11---1500
Level 12---2000 Level 13---2500 Level 14---3000 Level 15---3500 Level 16---4000
Level 17---4500 Level 18---5000 Level 19---5500 Level 20---6000 Level 21---6500
Level 22---7000 Level 23---7500 Level 24---8000 Level 25---8500 Level 26---9000
Level 27---9500 Level 28---10000 Level 29---10000 Level 30---10000 Level 31-40: 10,000 per level
Total cost: 228,900
Steel Thunder ★★★★☆ LV.50 Purchase cost: 688 diamonds
Level 2 ---200 Level 3 ---300 Level 4 ---400 Level 5 ---500 Level 6 ---600
Level 7 ---700 Level 8 ---800 Level 9---900 Level 10---1000 Level 11---1500
Level 12---2000 Level 13---2500 Level 14---3000 Level 15---3500 Level 16---4000
Level 17---4500 Level 18---5000 Level 19---5500 Level 20---6000 Level 21---6500
Level 22---7000 Level 23---7500 Level 24---8000 Level 25---8500 Level 26---9000
Level 27---9500 Level 28---10000 Level 29---10000 Level 30---10000 Level 31-40 10000 per level
Level 41-50 60 diamonds per level Total cost: 228900+600 diamonds
Prince Pegasus ★★★★☆ LV.50 Purchase cost: 888 diamonds
Level 2---200 Level 3---300Level 4---400 Level 5---500 Level 6---600
Level 7---700 Level 8---800 Level 9---900 Level 10---1000 Level 11---1500
Level 12---2000 Level 13---2500 Level 14---3000 Level 15---3500 Level 16---4000
Level 17---4500 Level 18---5000 Level 19---5500 Level 20---6000 Level 21---6500
Level 22---7000 Level 23---7500 Level 24---8000 Level 25---8500 Level 26---9000
Level 27---9500 Level 28---10000 Level 29---10000 Level 30---10000 Level 31-40 10000 per level
Level 41-50 80 diamonds per level Total cost: 228900+800 diamonds
Flame Phoenix ★★★★★ LV.60 Purchase cost: 368888 gold coins
Level 2---200 Level 3---300 Level 4---400 Level 5---500 Level 6---600
Level 7---700 Level 8---800 Level 9---900 Level 10---1000 Level 11---1500
Level 12---2000 Level 13---2500 Level 14---3000 Level 15---3500 Level 16---4000
Level 17---4500 Level 18---5000 Level 19---5500 Level 20---6000 Level 21---6500
Level 22---7000 Level 23---7500 Level 24---8000 Level 25---8500 Level 26---9000
Level 27---9500 Level 28---10000 Level 29---10000 Level 30---10000 Level 31-40: 10000 for each level
Level 41-60: 100 diamonds for each level Total cost: 228900+2000 diamonds
Cupid ★★★★★ LV.60 Purchase cost: 1888 diamonds
Level 2---200 Level 3---300 Level 4---400 Level 5---500 Level 6---600
Level 7---700 Level 8---800 Level 9---900 Level 10---1000 Level 11---1500
Level 12---2000 Level 13---2500 Level 14---3000 Level 15---3500 Level 16---4000
Level 17---4500 Level 18---5000 Level 19---5500 Level 20---6000 Level 21---6500
Level 22---7000 Level 23---7500 Level 24---8000 Level 25---8500 Level 26---9000
Level 27---9500 Level 28 ---10000 Level 29 ---10000 Level 30 ---10000 Level 31-40 10000 per level
Level 41-60 100 diamonds per level Total cost: 228900+2000 diamonds
Golden Fighter ★★★★★ LV.60 Purchase cost: 1988 diamonds
Level 2 ---100 Level 3---200 Level 4---300 Level 5---400 Level 6---500
Level 7---600 Level 8---700 Level 9---800 Level 10---900 Level 11---1000
Level 12---1500 Level 13---2000 Level 14---2500 Level 15---3000 Level 16---3500
Level 17---4000 Level 18---4500 Level 19---5000 Level 20---5500 Level 21---6000
Level 22---6500 Level 23---7000 Level 24 ---7500 Level 25 ---8000 Level 26 ---8500
Level 27 ---9000 Level 28 ---9500 Level 29 ---10000 Level 30-60 10000 per level Total upgrade cost: 419000
Mobile Titan ★★★★★ LV.60 Purchase cost: 388888 gold coins
Level 2---100 Level 3---200 Level 4---300 Level 5---400 Level 6---500
Level 7---600 Level 8---700 Level 9---800 Level 10---900 Level 11---1000
Level 12---1500 Level 13---2000 Level 14---2500 Level 15---3000 Level 16---3500
Level 17---4000 Level 18---4500 Level 19---5000 Level 20---5500 Level 21---6000
Level 22---6500 Level 23---7000 Level 24---7500 Level 25---8000 Level 26---8500
Level 27---9000 Level 28---9500 Level 29---10000 Level 30-60 10000 per level Total upgrade cost: 419000
