Combination Attacks

These are moves that are used when two or more moves are combined by any number of Pokémon.

Single Tech Moves

[Insert Element Boost here] Shell Blade - Combining a special attack with Razor Shell imbues the blade of the Razor Shell with the energy of that type (EX: Freezing (Ice); Blazing (Fire); Shocking (Electric);etc.) (Can often be an instance of Ability Mixing.)

Ice Aqua Jet - A combination of Aqua Jet and a freezing Ice-type move. Pulled straight from the anime.
Hypnotic Veil - A combination of Hypnosis and Aqua Jet, used to create a mesmerizing veil of light that shines down on the target or targets.
[Insert Element Boost here] Shell X-Slash - A combination of a powered-up Razor Shell and any slashing attack or Iron Tail. (Inspired by the X-Slash attack from Chrono Trigger)
Thundering Ice Shock - A combination of an Electric-type special attack (EX:Thunderbolt) and an Ice-type special attack (EX:Ice Beam).
Freezing Thunder Shock - Like Thundering Ice Shock, but the proportions are reversed (Ice-type special attack combined with Electric-type special attack).
Howling Void - A combination of Night Slash and Air Slash.
The Window of Opportunity - A combination of High Jump Kick and Reflect. The shattered Reflect launches shards at the target.
G-Max PsyVolt Storm - A combination of G-Max Volt Crash (G-Max Pikachu's signature G-Max Move) and Max Mindstorm (Psychic-type Max Move).

Trident Bomb/Pledge Bomb - A combination of Grass Pledge, Water Pledge and Fire Pledge.
Delta Force - A combination of a Psychic-type special move, an Ice-type special move and an Electric-type special move by way of The Power of Friendship or The Power of Love. (Inspired by the Delta Force Triple Tech from Chrono Trigger)
Max Delta Blast - Like Delta Force, but enhanced by the Dynamax Phenomenon.

Dance of the Seven Swords - A combination of Razor Shell, Hypnosis and six different variations of the Elemental Shell Blade attack (Hypnosis is mainly used to generate the six illusory after-images to which the Elemental Shell Blade variations will apply).