Bow

 is a gun that fires arrows. When fully charged, arrows will pierce through enemies. Arrows can be released early to deal less damage.

Trivia

 * Originally, increased damage to bosses by 20%.
 * The charge effect is likely a reference to the game "Titan Souls".
 * It could also be a reference to the Light Arrow from The Legend of Zelda games.
 * The synergy may be a reference to The Legend of Zelda series, as both Bombs & Bows are present in most titles.
 * The synergy is a reference to the game Metal Gear Solid, which contains a boss named Sniper Wolf.