Template:ThunderBladeEvolve

Evolve

Evolve on Thunder Blade doubles up the main forward firing weapon. It also fires a periodic poison dart which kills most aliens on contact. Evolve 2 increases the size of the poison dart.

• Level 1 : +1% Damage.

Cost: 60 evolve stones. Requires Bullet Level 4 and Power 10 to upgrade

• Level 2 : +1% Damage.

Cost: 90 evolve stones. Requires Bullet Level 6 and Power 20 to upgrade

• Level 3 : +1% Damage.

Cost: 150 evolve stones. Requires full Bullet Level (8) and full Power (30) to upgrade