Dubior is a genderless Mid-Boss whom first appears in Mashiro's Rolling up Brown Land. It yielding a Spark Ability when inhaled. It is found at Stage 5 of Walnut Evening.
A genderless one, pumpkin-UFO hybrid robot that has two yellow eyes and an antenna that has three strips of metal that change from yellow to red. Those head is colored in a shade of metallic yellow and an underside of it is a coppery orange.