We actually have an idea of how this Dragon Quest Liquid Metal Slime Sensor Figure will work, due to it being a rerelease of a past item. PA Channel shared footage of the toy reacting to movement.

Metal Slimes drop quite a lot of EXP, especially if you can manage to defeat them early on. Liquid Metal Slimes, which are much rarer, offer exponentially more EXP. So if you come across these ...