Soul Dew
Species-specific
The Eon-twins' signature stat-amp. Confirmed in source: ×1.5 to Special Attack AND Special Defense (NOT a type-specific boost) when held by Latios or Latias. Effectively turns either Eon Pokémon into a budget Choice Specs + Assault Vest hybrid that doesn't lock moves.
Where to find
No quest reward, drop, or shop source has been catalogued for this item yet — it may only be available via admin commands or events.