The Top piece is notoriously difficult to locate because it is not on the ground—it is hidden in plain sight via a scripted event.
Step-by-Step Guide to the Top:
Pro Tip: Bring Dark-type Pokémon (like Mega Tyranitar or Weavile) to counter the Psychic/Fairy typing of the guardians. pokemon hyper emerald 55 lost artifacts top
(Ordered roughly by usefulness / rarity) The Top piece is notoriously difficult to locate
Location: The bottom floor of the Abyssal Ruins (requires Dive). The Challenge: Catch a Level 125 Dynamax Drednaw in a single Premier Ball. Pro Tip: Bring Dark-type Pokémon (like Mega Tyranitar
Why it sits at the Top: This artifact deactivates "Rough Skin," "Iron Barbs," and Stealth Rock damage for your entire party. Since Hyper Emerald 55 AI loves to set up entry hazards on turn one, the Rusted Anchor is a quality-of-life lifesaver that allows you to actually switch Pokemon without fear.
Artifacts should be integral to story beats, not mere collectibles.