Dubior is a mid-boss appearing in Kirby's Return to Dream Land , Kirby's Dream Collection: Special Edition, and Kirby: Planet Robobot. It yields the Spark ability when inhaled. It is first found in Stage 5 of Nutty Noon. Dubior appears in the New Challenge Stages in Kirby's Dream Collection: Special Edition as well. It appears in the Smash Combat Chamber and the Smash Combat Chamber EX.