This item is combination of 3 items that increases event currency. It multiplies DPS by 3, the effect stacks multiplicatively with shards. Player couldn't craft it during event but only after it.
As an Event Item, Broscar is unique and has neither any other rarity nor star rating.
Crafting Recipes Edit
|Recipes for Broscar|
|Multiplies your DPS by 3. Stacks multiplicatively|| |