"You've basically created artillery..." - Rubis Demicas, Half Elf Fighter.
"Not only have you found the most efficient way of dealing the most damage you can do in close range combat, you have also found the loudest. Sure, there is the risk of blowing yourself to smithereens the second you hit something, but you WILL discover your fullest potential in terms of damage you can do NOT ONLY to your enemy's frail bodies and homes, but also to there even frailer egos. They wont help but cower at the distant boom that this weapon will put out when its used!!" - Atoxis the mad Dragonborn Artificer.
This weapon consists of 5-6 medium sized bombs crudely chained to the handle of a flail, and deals 1d8 damage without bonus effects.
Bonus effects: Upon using this weapon, all creatures (friendly or not, including the user of this weapon) within 35 ft. must succeed a Constitution saving throw (the user gains disadvantage on this saving throw) or suffer 7d10 fire damage and are deafened for 5 rounds.
Proficiency with a Flail allows you to add your proficiency bonus to the attack roll for any attack you make with it.
This weapon has the following mastery property. To use this property, you must have a feature that lets you use it.
Sap. If you hit a creature with this weapon, that creature has Disadvantage on its next attack roll before the start of your next turn.
Notes: Sap