The Poison Mushroom (毒キノコ, Poison Mushroom) is an object from the Mario series, debuting as an item in Super Smash Bros. Melee. It looks similar to a Super Mushroom, differentiated only by a duller color scheme and angry-looking eyes.
Poison Mushrooms made their first appearance in Super Mario Bros.: The Lost Levels, first released in Japan only with the title Super Mario Bros. 2. It is found in some Brick or ? Blocks and looks deceptively similar to a Super Mushroom, but touching it is equivalent to touching an enemy: Super/Fire Mario/Luigi is reverted to his smaller size, and small Mario/Luigi loses a life. Although Poison Mushrooms can look identical to a Super Mushroom, it is purple in numerous of its appearances outside of Smash. Its ability to shrink fighters is likely derived from turning Super/Fire Mario/Luigi back to their original, smaller size upon contact.
The Poison Mushroom's effects are opposite of those of the Super Mushroom. It looks like a Super Mushroom, but the character will shrink rather than grow if touched.
A character touching it will shrink with the following effects:
The transformation lasts about ten seconds. Touching another Poison Mushroom will reset the timer. Touching a Poison Mushroom while under the effect of a Super Mushroom and vice versa will restore a character to their normal size, whereas the effects of Lightning are canceled.
The Poison Mushroom made its debut in this game with the above effects. Additionally, in the Special mode Tiny Melee, all players are permanently under the effect of a Poison Mushroom, and the effects (except pitch) can stack.
Poison Mushrooms made their debut in Super Mario All-Stars, where they'd cost characters a life if picked up. These nasty fungi are dark and foul-tasting, and in Super Smash Bros. Melee, they make you shrink on contact. With your diminished stature comes a loss of power and mass, making you a prime target to get smashed offscreen with even a light attack.
In Super Smash Bros. Brawl, characters strike a pose while growing/shrinking, briefly lamenting their reduced size and relishing their return to normal. Most of the items held by the player, as well as their own projectiles, will be proportionate to their lower size. Certain attacks or charge ups can be interrupted if a Poison Mushroom touches the player in the course of doing an action. The Poison Mushroom also received a slight redesign so its angry eyebrows could be more clearly visible from a distance.
Tiny battles also return as a Special Brawl feature. In a Tiny Special Brawl, direct attacks deal around 0.48x their normal damage, and pitch can now be altered further.
A penalty item that shrinks whoever grabs it. It's hard to distinguish from a Super Mushroom, so you may find yourself getting small when you wanted to get big. When you're in miniature form, your attack power drops, and even the lightest attack can send you off the stage. That being said, a small target's hard to hit. Your best plan when you're tiny may be to run.
The Poison Mushroom returns in Super Smash Bros. 4, keeping its prior behavior. Mini battles are once again available as a Special Smash option.
In a Tiny Special Smash, fighters still deal 0.48x their normal damage with their direct attacks. If players acquire a Poison Mushroom in that game mode, their direct attacks will deal 0.34x their normal damage. In a Giant Special Smash, acquiring a Poison Mushroom lowers a fighter's damage multiplier to 0.92x.
In Smash Tour
The Poison Mushroom is a red trophy item: when selected, it makes a chosen opponent start a battle under the effect of a Poison Mushroom. Using this trophy cancels the effect of a Super Mushroom trophy used by the target.
The Poison Mushroom is one of the items that can appear during a Transformation Smash.
Becoming giant and looming over your foes is pretty great, yeah? Well, that won't happen if you get this mushroom. It looks a lot like the Super Mushroom, but it's a slightly different color and its face is... unhappy. If you use this mushroom, you'll shrink down and be easy to send flying.
So, you thought you'd nabbed a Super Mushroom, eh? Nope! Now you're tiny! If you'd looked more closely, you'd have seen it was a slightly different colour - it was a Poison Mushroom. Now you're mini, weak and very launchable. At least dodging's not hard when you're this size!
The Poison Mushroom returns once again as an item in Ultimate. Unlike Brawl and Super Smash Bros 4., characters no longer strike a pose when they're shrinking or growing, making their animation similar of that to Melee. This also prevents certain attacks and animations from being interrupted when a player touches one.
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