MB2Shotgun v1.1.0 Update
In v1.1.0,
(1) There is a new dialog added to campions and spouse for acquiring unique items that do shotgun automatically. Players can modify their settings at .\MB2Shotgun\settings\EquipmentList.xml.
(2) The shotgun effect has been extended to throwing weapons as well, you can throw a cluster of knives at once.