WILD HEARTS

So, this isn't very well explained within Wild Hearts however through a lot of trial and error I believe I've figured it out;

To unlock this Trophy, you will need to use the unlocked Fusion Karakuri (unlocked via the slow-motion, L1/LB, building encounter during the fight) on it's respective Kemono. For example, users will unlock the Repeater Crossbow during the Fumebeak fight so using the Crossbow during the Fumebeak fight would count as 1 per successful use. To further this explanation, users must ensure that the respective Kemono reacts to the used Fusion Karakuri; e.g. the Kingtusk bouncing off of the Bullwark when charging at it, or Amaterasu being dragged to the floor when caught mid-flight by the Harpoon.

With this process in mind, here is a list of the available Fusion Karakuri' and their respective Kemono that I have tried and know works:
Bullwark - Kingtusk - 6x Crates (2 stacks of 3 crates, next to each other)
Pounder - Spineglider - 3x Springs (1 stack of 3 springs)
Firework - Dreadclaw - 6x Torches (2 stacks of 3 torches, next to each other)
Shield Wall - Goldshard - Crate, Spring, Crate
Repeater Crossbow - Fumebeak - Glider, Stake, Glider
Harpoon - Amaterasu - 2x Spring, Stake, 2x Spring, Stake (2 stacks, next to each other)

Other Fusion Karakuri available that might work (but I have not tested) are:
Healing Mist - Lavaback - 3x Glider (1 stack of 3 gliders)
Elemental Lantern - Gritdog - Crate, Glider, Crate
Star Bomb - Sporetail - Spring, Torch, Spring
Chain Trap - Deathstalker - 2x Stake, Crate, 2x Stake, Crate (2 stacks, next to each other)
Healing Vaporizer - Sapscourge - Torch, Celestial Anchor, Torch
Pile Driver - Amaterasu - 2x Stake (while climbing on the boss after the main fight, can only be performed once per fight as far as I'm aware)
Celestial Cannon - Golden Tempest - Celestial Anchor, Torch, Celestial Anchor, Celestial Anchor, Torch, Celestial Anchor (2 stacks, next to each other)
Celestial Shield - Emberplume - Celestial Thread, Crate, Celestial Anchor, Celestial Anchor, Crate, Celestial Anchor (2 stacks, next to each other)

Deflect a Kemono attack 20 times with a Fusion Karakuri.

When a Kemono charges, create a Bulwark Karakuri and knock them over.

Do this 20 times for the trophy!