Terraria (Wiki): Chlorophyte Shotbow

The Chlorophyte Shotbow is a Hardmode Repeater that deals damage to enemies and fires arrows as ammunition. The arrow shoots 2-3/shot (desktop, console, mobile) / 2-4/shot (3DS, old-gen consoles) yet only consumes one arrow, and arrows fired cannot be recovered regardless of the type of arrow used. Only one arrow will deal damage to each enemy per shot when used with arrows that deal piercing damage, such as Unholy Arrows, Jester's Arrows, Hellfire Arrows, and Chlorophyte Arrows. The Chlorophyte Shotbow's effective damage varies between (68 (desktop, console, mobile) and (102 (3DS, old-gen consoles) due to the variation in the number of arrows fired per shot (2.33 (desktop, console, mobile) / (2.7 (3DS, old-gen consoles). Additionally, compared to single-shot bows or repeaters, it is more severely impacted by the base damage of arrows.

The Chlorophyte Shotbow, like other repeaters, fires in any direction, and is capable of autofire. It is one of the weakest Hardmode ore repeaters because of its low base damage per arrow. Combat-wise, the spread is narrow enough to typically hit targets with more than one arrow per shot, increasing overall damage output and it can be compensated by using Ichor Arrows which decrease defense, and Holy Arrows, which provide great single-target DPS while also summoning storms (6-12/shot) and crowd control.

Additionally, In 1.3.0.1-equivalent worlds, all Vulcan Repeaters were switched out for Chlorophyte Shotbows (console, mobile).

The Chlorophyte Shotbow is best modified with Unreal to improve all stats.