Sometimes the best offense is to shoot everything you've got from far away.
With the help of carefully disposed turrets on the battlefield, you provide support to your allies and attack enemies fool enough to move within your turrets range, even detonating them when they move closer.
Level 3
Artillery Turret.
(At Will), 1/turn, action. You can deploy a turret (or move a deployed turret) within Key Stat of yourself. These are tiny minions and you and your allies can occupy the same square as them. Once per turn you can use an action to make them attack, they have a range equal to your Gadget Dice size and deals your Gadget Dice in your choice of piercing, fire, Ice or lightning dmg. You can deploy a maximum of turrets equal to your lowest Key Stat.
Energize.
1x/Encounter, Action. Target Ally within range of 1 of your turret gain your Gadget Dice + Key Stat in Temporary HP and have 1 more action on their next turn. You can spend one of your Gadget Dice to use this ability again.
Level 7
Detonation.
1x/Encounter, Action. You make one of your deployed turret explode dealing your Gadget Dice + Key Stat in Fire, Ice or Lightning dmg, AoE:1. You can spend one of your Gadget Dice to use this ability again.
Energize (2).
You can now use this ability 2x/Encounter.
Level 11
Detonation (2).
You can now use this ability 2x/Encounter.
Energize (3).
When using this ability you can now affect Key Stat number of allies within your turret range.
Level 15
Detonation (3).
When using this ability you can now affect any number of deployed turret at the same time, creatures can be caught in more then one explosion.