What are Frontier Coins used for? Alex Minor March 28, 2018 23:08 Updated Frontier Coins are usable in the ‘Frontier’ tab of the LOTB shop to purchase Character Souls, Skill Shards, and Mythic Souls. You earn 100 Frontier Coins for every Eternity Soul, Trooper Soul or Lilith Soul opened. Related articles What are Eternity Soul Fragments? What are Iron Coins used for? Is there an energy mechanic or stamina? What are Runes? How do I collect more Eddies? Comments 0 comments Please sign in to leave a comment.