In standard Dragon Ball lore, the Dragon Balls (Earth, Namek, or Super) grant wishes within a single universe. The Super Dragon Balls, scattered across Universes 1 through 12, can grant any wish, but they require the language of the gods.
The "Interdimensional Wish" takes this further. It is a fan-concept (now semi-canonized in multiple Heroes spin-offs and Xenoverse 2 DLC) that uses a hacked set of Dragon Balls—each from a different timeline or dimension—summoning Super Shenron Multiforium, a dragon whose body spans the cracks between parallel realities.
The wish in question? Originally, it was meant to “restore all erased universes from the Tournament of Power.” But the twist in the "U Upd" is that Android 18 intercepts the summoning. dragon ball interdimentional wish android 18 u upd
The most cryptic part of the keyword is "U UPD." Based on community consensus (GameFAQs, Reddit r/dbz, and Nexus Mods analysis), this likely stands for:
In the modding scene, a "U Update" usually refers to a Universal Patch that overhauls character movesets, attributes, and story dialogues across all dimensions. In standard Dragon Ball lore, the Dragon Balls
Imagine the scene. The Z-Fighters are relaxing. Krillin is being a dad. 18 is probably threatening a salesman for a discount. Suddenly, a fissure rips open the sky above West City. It’s not a time ring. It’s not Instant Transmission. It’s a wish.
The villain stands before a set of Namekian Dragon Balls and whispers: “Bring me the Android 18 from the universe where she was never reprogrammed by Krillin’s kindness.” The most cryptic part of the keyword is "U UPD
Shenron cannot refuse. Because technically? That’s a different person.