Here is a link to a video with all of Cloud's limit breaks and a quick off-the-cuff list of animations that DRK uses that are taken from Cloud.
https://www.youtube.com/watch?v=KG0-4WC-LYo
- DRK /vpose and /bstance are directly pulled from Cloud.
- Soul Eater is the animation for Climhazzard.
- The now removed ability Dark Passenger was basically Blade Beam with the trail vfx changed to look more "Dark Knighty".
- While not exactly the same, Carve and Spit is very similar to Cross Slash with the three consecutive slashes where it could easily be considered to be inspired by.