Cluster

Cluster is the highest-leveled non-quest legendary bow in the game, with a minimum level of 99. Cluster has the second highest base damage of any legendary bow in the game, only surpassed by a fully thunder-powdered Hive Bow. It also has great stats for health and mana sustain, with large amounts of lifesteal and mana steal and stealing for use with the Greed Major ID.

Lore
"Perhaps one is weak. To be ignored. Perhaps two are not much better. But what of five? Ten? Twenty?..."

Trivia

 * As of the 1.14 Gavel Update, Cluster (along with Tidebinder, Cascade and Black) has replaced Maelstrom as the highest-leveled non-quest Legendary Bow.
 * In the 1.18 the bow's damage was changed from neutral to thunder.
 * In the 1.19.4 its look was changed from T3 neutral to T3 thunder.