If foe initiates combat or if a bonus granted by a skill like Rally or Hone is not active on foe, grants Atk/Spd/Def/Res+4 to unit during combat. If foe's Range = 2, calculates damage using the lower of foe's Def or Res.
Water Breath+ can be upgraded in the Weapon Refinery. Sun Dragonstone can be upgraded in the Weapon Refinery. Sun Dragonstone can be upgraded with the additional effect "Inflicts Atk/Spd-3 on foe and neutralizes foe's bonuses to Atk/Spd (from skills like Fortify, Rally, etc.) during combat.".