4★ Energy Blast Research 4★ Energy Blast Increases base damage of Energy Weapons on Grade 4+ ships.DragonbaneOctober 22, 2022
4★ Battleship Weaponry Research 4★ Battleship Weaponry Increases base Weapon Damage for all Grade 4+ Battleships.DragonbaneOctober 22, 2022
4★ Battleship Regeneration Research 4★ Battleship Regeneration Reduces the total shield regeneration time for Grade 4+ Battleships.DragonbaneOctober 22, 2022
4★ Battleship Penetration Research 4★ Battleship Penetration Increases base Shield Penetration for all Grade 4+ Battleships.DragonbaneOctober 22, 2022