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Switch PP underflow glitch: Difference between revisions

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>Torchickens
(Created page with "The '''switch PP underflow glitch''' is a glitch in {{RBY}}, where a partial trapping move is automatically selected when it has 0 PP. This causes the user to either get 63 P...")
 
>Krys3000
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{{PRAMA|glitches-mineurs-rbj#PP}}
The '''switch PP underflow glitch''' is a glitch in {{RBY}}, where a partial trapping move is automatically selected when it has 0 PP.
 
This causes the user to either get 63 PP with three PP Ups applied if no PP Ups were used, or the user to lose the effect of a PP Up if at least one was used.
 
This glitch or the [[Hyper Beam automatic selection glitch]] can be used to get a 'FF' PP value for the [[Generation I max stat trick]].
 
==Requirements==
1. Access to a Trainer who can switch Pokémon. These include Jugglers (such as the one in Silph Co. 5F) and Agatha, as well as real world link battle Trainers.<br>[[File:Switch PP underflow 1.png]]
[[File:Switch PP underflow 1.png]] <br>
2. A Pokémon that can take an attack which is '''slower''' than the opponent's Pokémon, and knows Bind, Clamp, Fire Spin or Wrap with 1 PP, e.g. a level 21 Victreebel against the Juggler on Silph Co. 5F's level 29 Kadabra.<br>[[File:Switch PP underflow 2.png]][[File:Switch PP underflow 3.png]]
 
==Steps==
1. Battle the Trainer who can switch. Before this, it's a good idea to save in case the following steps don't happen.<br>[[File:Switch PP underflow 4.png]]<br>
2. Use the partial trapping move and have it hit. As you are slower, you will need to take a hit from the opponent (but it doesn't have to be an attacking move).<br>[[File:Switch PP underflow 5.png]][[File:Switch PP underflow 6.png]][[File:Switch PP underflow 7.png]]
3. On the same turn, or during a turn where the attack continues have the opponent switch. The partial trapping move will be used again and its PP will underflow from 0 if it was originally 1. <br>[[File:Switch PP underflow 85.png]][[File:Switch PP underflow 96.png]][[File:Switch PP underflow 10.png]][[File:Switch PP underflow 11.png]][[File:Switch PP underflow 127.png]]<br>
 
3. On the same turn, or during a turn where the attack continues have the opponent switch. The partial trapping move will be used again and its PP will underflow from 0 if it was originally 1.<br>[[File:Switch PP underflow 8.png]][[File:Switch PP underflow 9.png]][[File:Switch PP underflow 10.png]][[File:Switch PP underflow 11.png]][[File:Switch PP underflow 12.png]]<br>
 
==PP underflow explanation==
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There are only 64 (80h-40h) possible values for PP itself, meaning that the maximum amount of PP is 63.
 
==External links==
*[https://www.youtube.com/watch?v=I8AzgGoJbTs Youtube video by ChickasaurusGL of this glitch, Hyper Beam automatic selection and threefold PP Up removal].
 
==See also==
*[[Hyper Beam automatic selection glitch]] - Another way to underflow the PP of a move which involves a different method.
*[[Freeze top move selection glitch]] - Allows the underflow of the PP of any move, but involves a link battle, and the PP value may not be kept.
*[[Threefold PP Up removal glitch]] - A derivative of this glitch that allows a Pokémon to obtain 0 PP with no PP Ups, even if PP Ups were used in the past.
*[[Variable PP glitch]] - Involves the glitch move TM23, and possibly more glitch moves.
[[Category:Generation I glitches]]
[[Category:PP underflow glitches]]
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