Steel Yoke (鋼の軛 Hagane no Kubiki) is a [[:Special:Ask/-5B-5BCategory:Spells-5D-5D-20-5B-5Bspell-20category::-5D-5D-20-5B-5Bspell-20type::-5D-5D|cage-type capture spell]] cast by Zafira. Powerful and flexible in application, it is his signature spell. The spell normally generates numerous spikes of compressed mana to pierce through the targets and fix them on the spot. With both nature of attack and capturing, it is effective in restraining or disabling large opponents. The spikes can be generated either from the ground, the sky, or directly from a Belkan Triangle at Zafira's hands.