Lightning-Riding Treasure Hunter

Lightning-Riding Treasure Hunter could refer to the following achievement series:
* Lightning-Riding Treasure Hunter (I), for opening chests on Narukami Island, Kannazuka, and Yashiori Island (Inazuma: The Islands of Thunder and Eternity - Series I)
** Lightning-Riding Treasure Hunter (I) (Tier 1) for 100 chests
** Lightning-Riding Treasure Hunter (I) (Tier 2) for 200 chests
** Lightning-Riding Treasure Hunter (I) (Tier 3) for 300 chests
* Lightning-Riding Treasure Hunter (II), for opening chests on Watatsumi Island and Seirai Island (Inazuma: The Islands of Thunder and Eternity - Series II)
** Lightning-Riding Treasure Hunter (II) (Tier 1) for 40 chests
** Lightning-Riding Treasure Hunter (II) (Tier 2) for 80 chests
** Lightning-Riding Treasure Hunter (II) (Tier 3) for 160 chests