Agent

An Agent is supposedly a high-ranking member of one of the two kingdoms in the Incipisphere fighting over Skaia. Nanna's letter to John at the start of Act 3 mentions that Agents will play a role in the four children's ascent. If the recently-introduced character of Archagent Jack Noir is any indication, the Agents of the Light Kingdom may be called Agents, while those of the Dark Kingdom are called Archagents. However, another member of the Dark Kingdom is referred to as a plain Agent. From what we have seen, it can be theorized that each kingdom has four Agents/Archagents, corresponding to the four suits of cards - but it is still too early to draw conclusions.