Chain Flail is the weakest mace, though it is still a rather powerful weapon when first acquired. It has an attack power of 86, and can be used by Gogo, Terra, Celes, Strago, and Relm. It can be bought for 2,000 gil in the World of Balance in Narshe before acquiring the Blackjack, or in Thamasa, or stolen from Wartpuck.
The Chain Flail is a level 50 exclusive weapon for Terra, and provides +35 Attack, +26 Bravery, and Magic Defense +30%. It can be traded for at the shop for 15,460 gil, a Healing Staff, Thorny Lumber x3, and Amplification Shard x2.
Chain Flail returns as a level 30 exclusive weapon for Terra that provides +41 Bravery, +38 Attack, and +10% Physical Defense. It can be obtained by trading 61,000 gil, Healing Staff, Scarletite, and Girl's Desire x5.