Klefki is a decent Special Wall for single battles. It is meant to take a large amount of hits from special attacks while dealing some decent damage. Leftovers are always a great recovery option to ensure Klefki last longer regaining it's HP every turn. With Prankster, Klefki's status moves have priority raised by 1 but dark types are immune. Klefki is nasty! Use Thunderwave to Paralyze your opponent. With Clefki's amazing defenses it should still be alive with more than enough HP for a substitute afterwards. Follow this up by Swaggering your opponent into confusion (Paralyze + Confusion combo ftw) and to top it off use Foul Play to use your opponent's own swaggered attack boost against them even more!

Klefki is a spectacular Physical Wall for single battles. It's meant to take a hefty amount of physical hits while dealing some decent damage. Focus Sash helps protect Klefki from being one-shotted and allowing it to atleast use a crucial move when brought out. With Prankster, Klefki's status moves have priority raised by 1 but dark types are immune. Basic lead with the sash lets me get at least two layers of spikes up on the opponent or I can Thunder Wave/Swagger combo and take out their lead if I'm lucky.

Klefki is a wonderful Physical Sweeper for single battles. It was designed to take down the opponent's team with brute physical power. With Magician, if Klefki has no item it steals the item off a pokemon it hits with an attack. Facade's damage doubles when the user has a status affliction. With a Assault Vest equipped to it, Klefki's sp. Def is 1.5x, but it can only select damaging moves.

Klefki is a spectacular Physical Wall for single battles. It's primary goal is to take a large amount of physical hits while dealing some decent damage. With Prankster, Klefki's status moves have priority raised by 1 but dark types are immune. With a Light Clay equipped to it, Klefki's use of aurora veil, light screen, or reflect lasts 8 turns instead of 5.