Jumpkick

Requirements

 * Any weapon with a special that can be used midair (we use Kung Fu Shoes for convenience and because the special makes it easier)
 * Most Directional Shards (we use Flame Cannon because it's a scripted Directional Shard you get at the beginning of the game, and because of its low mana cost)
 * Enough MP to activate both the technique and the shard
 * Double Jump and High Jump must be disabled, if you have them

How to perform

 * 1) Jump
 * 2) While midair, use a weapon special (here we do ⬇️↘️➡️ + Attack for Flashing Air Kick)
 * 3) During the special animation (close to the end for distance, right away if you only need height), press backdash to cancel the animation
 * 4) Use your Directional Shard soon after (you can do it any time, but you lose less height if you do it faster)
 * 5) Input another jump soon after (again, large window, but gotta go fast to lose less height)
 * 6) If you're fast enough, you can press attack immediately after jump to cancel the Directional Shard animation to save MP

Applications:
Crossing gap in Garden of Silence without Craftwork (Bridge Skip)

Any other place you'd like to gain extra height (Essentially replaces double jump)

Videos
Video example: https://streamable.com/vzuq4