In terms of Wushu there's not much to gain from it aside from learning comebacks when both Toris separate. Particularly Wushu (Before the Popularity of Mushu and Boxshu_Mushu took over) had a huge aspect which came primarily from returning from medium-large distances to re-engage a fight effectively. This transitions into AikidoBigDojo more so than other mods with smaller rings, but still a very useful skill to obtain. Though the gravity is different the principles gained to know how to move or propel yourself in a certain direction safely is extremely valued.

Since I learned Aikido based on being a striker opposed to wrestling and grappling, I think core elements can be taken from Taekkyon, Lenshu, and RK-MMA. Particularly TK teaches you how to strike effectively and at the same time manage wrists (since wrists in TK are way more walmart than aikido) while also showing the importance of blocking strikes and using them to put yourself at some advantageous position.