Rockium Z/Anime

used his Rockium Z with his to defeat  in A Glaring Rivalry!. He obtained it by completing Olivia's grand trial prior to the episode.

Olivia was revealed to have a Rockium Z in The Island Whisperer!.

obtained a Rockium Z from Olivia after completing the Akala Island grand trial in Trials and Determinations!. He first used it with his in Mimikyu Unmasked!. In Beauty is Only Crystal Deep!, the Ultra Guardians used it, along with Ash's Grassium Z, Normalium Z, Solganium Z, and Steelium Z, and 's Icium Z, as bait for a.

A full set of type-specific Z-Crystals, including the Rockium Z, appeared in A Grand Debut!, where Hapu allowed Ash to choose his grand trial prize from them.

A full set of replicas of the type-specific Z-Crystals, including the Rockium Z, appeared in A Team-on-Team Tussle!, where they were shown to Ash and by.