Heat Ray is a gadget for the Inventor that inflicts Burn on all enemy dice. It is usable once per turn.

This skill is also a rare Jackpot skill for the Robot during the Episodes Parallel Universe and Bonus Round.

Both pieces of equipment which grant Heat Ray can't really give this gadget since both pieces of equipment only appear right before a possible final fight of the episode.

• Wooden Stake
• Wooden Stake?

However, the Heat Ray is the starting gadget for the Inventor during Episode 1 (Enter the Inventor), Episode 2 (Double Rubble), and Episode 4 (Elimination Round (Inventor)).

While there are no gadgets in Reunion, this potion temporarily turns your Limit Break to Heat Ray:

• Wisp Potion