I'm surprised so many people want Zelda to have the champion's abilities. I always imagined giving things like Revali's gale to Link. The Champions in Breath of the Wild give their respective abilities to Link after he frees their spirits in the divine beast. The spirit thingy they shoot at link goes inside of him, so it would be weird to suddenly see Zelda using the abilities they gave to Link.
My idea for Zelda was to have her holding the sheikah slate and use the runes as her special moves. In the memories of Breath of the Wild, Zelda always has the sheikah slate with her, though she mainly uses the camera function. I see why she cant use the runes that Link uses from the very same sheikah slate.
Magnesis - Reflector - Think Rosalina Down Special or Paluetna Default Side Special. Zelda uses the sheikah slate to pick up the item as it is being sent to her. She is given a small time to choose any direction to send it, like how corrin after pinning with side b chooses and option. The projectile travels back much faster and stronger to make up for this time. I could also picture Zelda using the Magnesis function of the rune as her grab, she picks up an opponent and throws them.
Stasis - Stun - If Zelda is standing directly in front of her opponent, she uses stasis to freeze any foe in their place. It would work similar to the game, where energy is built up and after it is over they are launched. So you could use many small hits and finish with a big hit. The time they are frozen wouldn't be long, not as ridiculous as witch-time. The closest comparison Is Mewtwo's disable.
Bomb - Detonated Projectile - Pretty self explanatory, Zelda uses the rune to put a round bomb in her hands that she holds above her head. You can do an overhead throw for height and range or roll the bomb like a bowling ball from skyward sword. After the explosive is deployed at anytime it can be detonated, the blast is small with decent knockback. You obviously could only have one bomb on screen at once, but if you did not want to detonate it,Zelda or another character for that matter could pick the same one up and throw it again.
Cryonis - Create Platform - Zelda uses the cryonis rune to create an ice block below her feet bringing her upwards. If you've ever play rivals of aether this move is like Kragg's up special. You can only have one on screen, after using it you can double jump off of it to get even more height. So to recover you can double jump, then use cryonis, then use two more jumps to get back. This can be used to limit space on the stage by creating a wall, at the risk of getting knocked up and not having an up special to recover with. Use Cryonis to close the gap between you and the enemy to make them not be able to escape previously put down bombs and limiting the distance between you two so you can stasis them. Use Cryonis to cockblock and gimp recoveries, jump from a high height like a from platform and create a wall to block certain recoveries like pk thunder. But you have to time it right. as the taller the cryonis block is, the less time it lasts. The icewall can get destroyed in a few hits.
Thanks for reading my dumb thoughts
cant wait for the reveal and sakurai's design is totally different from what anybody expected, should be cool.