Our dear friend Ku’gath has got a seemingly nice start location. An island all to himself (after he deals with some NPC lizards) with no neighbors to your southern or eastern border. The ogres to the west are unlikely to get in the water also, so really all you have to do is advance north from there. But once you do, you encounter one huuuuuuuge problem.

The Seducers of Slaanesh start in Ulthuan. It’s a notoriously difficult start against a race that crushes in the early game. High Elf armies typically have at least one or two cavalry units which are very dangerous to your chariots, and their Archers just love to shoot at N’Kari.