RKS System (Ability)

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RKS System ARシステム
AR System
Flavor text
Generation VII
Changes the Pokémon's type to match the memory disc it holds.
Generation VIII
Changes the Pokémon's type to match the memory disc it holds.

RKS System (Japanese: ARシステム AR System) is an Ability introduced in Generation VII. It is the signature Ability of Silvally.


In battle

RKS System changes the type of the Pokémon with this Ability depending on the memory attached.

Role Play, Gastro Acid, Worry Seed, Simple Beam, and Entrainment fail if the target has the Ability RKS System. Skill Swap fails if either Pokémon has RKS System. RKS System cannot be copied by Trace, Power of Alchemy, or Receiver. RKS System cannot be replaced by Mummy or suppressed by Core Enforcer. If a Pokémon other than Silvally obtains RKS System with Imposter or Transform, the Pokémon will copy the form of the target Silvally regardless of its own held item.

Outside of battle

RKS System has no effect outside of battle.

Pokémon with RKS System

# Pokémon Types First Ability Second Ability Hidden Ability
Silvally Silvally Normal Normal RKS System None None
Please note that this is only 100% accurate to Generation VIII games.
  • For Generation III games, ignore Abilities introduced in Generation IV or later and Hidden Abilities.
  • For Generation IV games, ignore Hidden Abilities.
  • For Generation V games, ignore Abilities introduced in Generation VI or later.
  • For Generation VI games, ignore Abilities introduced in Generation VII or later.
  • For Generation VII games, ignore Abilities introduced in Generation VIII or later.

In the anime

Gladion Silvally RKS System Rock.png Gladion Silvally RKS System.png Gladion Silvally RKS System Dark.png Gladion Silvally RKS System Steel.png
Rock-type Installing a memory Changing to Dark-type Steel-type
Changes the Pokémon's type to match the memory disc it holds.
Pokémon Method
User First Used In Notes
773 Silvally Silvally installs a memory disc into the drive located on the side of its head. It then changes its type to the corresponding type on the disc.
Gladion's Silvally Mission: Total Recall! Debut

In the manga

Pokémon Adventures


  • The name of this Ability is a reference to Arceus, with its English name being similar to the pronunciation of "Arceus". In German, Spanish, French, and Italian, its name is instead a reference to Arceus's category, the Alpha Pokémon.
    • The company RKS Laboratories (Japanese: アルセウス製薬 Arceus Pharma) in Galar has a logo similar to the rings on Arceus's body, furthering the connection.

In other languages

Language Title
Chinese Cantonese AR系統 AR Haihtúng
Mandarin AR系統 / AR系统 AR Xìtǒng
France Flag.png French Système Alpha
Germany Flag.png German Alpha-System
Italy Flag.png Italian Sistema Primevo
South Korea Flag.png Korean AR시스템 AR System
Russia Flag.png Russian Система RKS Sistema RKS
Spain Flag.png Spanish Sistema Alfa

Variations of the Ability Multitype
MultitypeRKS System

Project Moves and Abilities logo.png This article is part of Project Moves and Abilities, a Bulbapedia project that aims to write comprehensive articles on two related aspects of the Pokémon games.