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Arena Trap

Description

Opposing grounded Pokemon cannot switch out while the wielder is on the field. Grounded Pokemon are those that are not part Flying-type, do not have the ability Levitate, do not have Magnet Rise active, and are not holding an Air Balloon. If Gravity is active, all Pokemon are grounded. All Pokemon holding an Iron Ball are grounded, as are Pokemon under the effect of Ingrain (although they can't manually switch out anyway). A grounded Pokemon can escape by using Baton Pass, U-turn, or Volt Switch (as long as the wielder isn't immune to Volt Switch), or by holding the item Shed Shell. Arena Trap does not prevent the effect of Eject Button.

When the wielder is first in the party, the chance of wild encounters occurring is increased.

Competitive Use

This ability is incredibly useful. Its very low distribution has only increased its niche. Three Pokemon have access to Arena Trap. Diglett is used in LC, whilst its evolution, Dugtrio, can often be seen in the upper tiers. Sometimes, Dugtrio even makes an appearance in Ubers due to its ability to trap Pokemon locked into Thunder or another Electric-type attack, and then dispatch them swiftly with a STAB Earthquake. This makes Dugtrio the perfect revenge killer, more or less guaranteeing the removal of a problem Pokemon, but Dugtrio does have a tendency to become set-up fodder afterwards.

Found normally

Pokémon Type Tier Abilities HP Atk Def SpA SpD Spe BST
Diglett Ground LC Sand Veil / Arena Trap / Sand Force 10 55 25 35 45 95 265
Dugtrio Ground OU Sand Veil / Arena Trap / Sand Force 35 80 50 50 70 120 405
Trapinch Ground LC Hyper Cutter / Arena Trap / Sheer Force 45 100 45 45 45 10 290

Found in Dream World

Pokémon Type Tier Abilities HP Atk Def SpA SpD Spe BST