It was unlocked by Conjurer at rank 42. It was Lightning elemental, and had an action cost of 3. It had a 24 MP cost and no TP cost. Its cast time was 3 seconds while its recast time was 10. Once unlocked, it could be equipped by all Disciples of War and Magic.
Shock Spikes II was dropped in patch 1.20 and did not reappear when the game was relaunched as Final Fantasy XIV: A Realm Reborn.