Valhalla-hills-plaza-sand-of-the-damned-dlc-fire-mountains-dlc Here

Allow your Vikings to build Heat Sinks or basalt cooling stations that turn volcanic heat into a speed boost for blacksmithing and smelting.

Implement Deep-Well Irrigation , allowing players to create permanent green patches in the desert to grow food faster, or use "Mirage Totems" to confuse and slow down incoming enemies. Allow your Vikings to build Heat Sinks or

For a bundle titled a great feature would be Environmental Survival Perks . Allow your Vikings to build Heat Sinks or

Since these DLCs focus on harsh desert and volcanic terrain, you could introduce a system: Allow your Vikings to build Heat Sinks or

This makes the specific terrain of the DLCs feel like a resource to be mastered rather than just an obstacle.