Suggestions

It would let you summon a structure in the air, once per airtime. It would spawn on the ground below as if you were standing on the ground.

This move would cast similar to flick, only looking slightly more down at the ground and with the top hand not being upside down. Upon casting, this move would send out a crack from the player’s feet the would move forward until it hits the end of the ring (or a fixed distance OR a structure of player if it is too strong.) (Just like in avatar when earthbenders make a sort of line between them and the earth they are about to move.) You see where this is going? When you have a tunnel going, structures you spawn will appear at the end of the tunnel. Also maybe poses like straight and explode could be used at the end of the tunnel as if the player was standing there if no other objet would be affected where the player is actually standing. This could be pretty op (especially if you could spawn structures in people to hurt them. As much as it would look like avatar and would be sick, I think it shouldnt work like that.) but it would be a super interesting move in my opinion. You could make explode setups of predict your opponent’s movement to make them run into a wall, abd the move has built-in synergy with litteraly everything in the game so it wouldn’t feel out of place and neeche since it litteraly requires the usage of our well known and loved moves to do anything. Sure it would need sone tuning and attention from the devs, but if they are open to adding some new moves, I think this idea isnt one to miss. I really thinl there will never be something more exciting in rumble than a new move being added. Finaly Ill just add that of course there could be shiftstone(s) related to this move, like making it go faster, further, under structures if it doesnt already or even curve a little (like in the direction of the hand on top) would be super cool and a nice way to flesh out and make the move feel even more included in the game upon release. Thank you for reading this far, have a good day.

Add the ability to jump off structures that are below you. Should have a the same radius as iron boots, which could add some interesting counterplay where explode can mess up your jump. The point of it is to make jumping safer for non flowstone users, but it would also allow more air movement too

I think it might be kind of cool to have like a blue effect around the player while dashing or something to that effect to show that the player has the stubborn stone active

Like the title says. This would be useful for if someone is surrounded by structures and you want to have them fall in towards the opponent instead of out away from them! I could imagine a lot of fun strategies for having a move like this!

A stone that upgrades Parry to Freeze. A Frozen object will ALWAYS stay in place for the entirety of its Freeze timer, distinct from Parry, which objects can be bumped out of. However, a Frozen object will accumulate momentum which will be applied at the expiration of the timer, BOTW stasis style. This would give more complexity to combat and increase the spread of moves that stones help buff.

The idea for this one comes from the fact that structures break if you apply a modifier to them while they are being created (before they finish coming up) This would be an alternative to parry where you just lose the structure but it would ALSO be great for close quarters combat since you could break something that someone makes instead of just trying to spam straight to hopefully get it off first haha ANIMATION IDEA: Grounded: gets sucked back down into the ground! Basically the spawn animation but in reverse, same speed! Ungrounded: shatters just like they normally do when they break!

Sometimes (at a 1/1000 chance), instead of spawning a normal disc, what if it spawned a "target" disc like the ones in the gym? :) ... Haven't I heard this somewhere before...?

Discs are already a structure that has no knockback, but upon hitting another structure they do still cause that structure to not accept at least most modifiers for a short time. Additionally, upon hitting a player, they can (generally, as far as I know) completely stop that player's momentum. Due to the speed that discs are able to be spammed and/or the distance they can quickly cover (and, debatably, the ease this can be done), they can cause, perhaps, oddly high amounts of disruption for such a light/fast/low damage structure just by impacting into something or someone (in addition to ungrounding structures with explode). At the risk of breaking deadstop tech, if structure and player hitstun/hitstop was removed from discs, discs could be made into a light chip damage, explode carrier, and movement option that otherwise doesn't have this high innate disruption potential. This lack of innate disruption seems to me like it might be a consistent extension of discs lacking knockback. If this change was implemented, perhaps it might remove some of the pain points that some players have with discs and alleviate some of the frustration in dealing with discs being spammed at them. Thank you for your consideration. ^_^

We need a way to quickly slam back into the ground to remove the predictability of Dash>Jump! This would also be great for if you got knocked into the air and quickly need to get back down and it could even have a sort of SHOCKWAVE when you hit the ground that would unground stuff or knock it back a bit!