The Alliance is looking for Soul Prophet Slan at Alleria Fortress in Terokkar Forest in Outland, coordinates (56,53.7), and the Horde is looking for Soul Prophet Gartok at Split Stone Castle in Terokkar Forest, coordinates (49.8, 46.6), taking the Alliance as an example, the method to find it is as follows:

1. First, players need to come to the Terokkar Forest map in the Outland.

2. Come to the location shown below in Alleria Fortress.

3. NPC Soul Prophet Silan can be seen near coordinates (56,53.7).

4. Click on the dialogue to exchange ghost fragments for items.