Route 9 - Pokémon Vortex Wiki

JoJo's Bizarre Adventure: All-Star Battle R/Wamuu - Mizuumi Wiki

Pokémon Gold and Silver (Video Game) - TV Tropes

Behemoth - Liquipedia Halo Wiki

9-Volt - Retro Gaming, Zapping Extraordinaire! by WarioMan3K on DeviantArt

Pokémon Vortex V4 Tutorial - Legendary Pokémon

Pokémon Vortex

I just realized something. the in game map of Paldea doesn't show the vortex, so it probably formed recently. Since the Ultimate Weapon was shot several millenia ago, it can't be because

One Heat Minute Productions

Rattrap (BW) - Transformers Wiki

Streets - Liquipedia Halo Wiki

Dark Dex V5

Vortex Barrier - TV Tropes

Route 23 - Pokémon Vortex Wiki

Route 9 - Pokémon 3D Wiki