From Bulbapedia, the community-driven Pokémon encyclopedia.
TM28 redirects here. If you were looking for the glitch move in Pokémon Red and Blue, see TM28.
TMs vary between generations. TM28 is:
If TM28 is sold or used and then forgotten in Ruby or Saphire, the player will be unable to complete the Sealed Room puzzle and obtain the Legendary Golems except through trading a Pokemon that knows Dig over.