I don't mind how bridge building works at the moment--it's not easy and that's fine. But lugging logs into the Tomb of the High Kings is menial and time consuming work piled on the poor player who has the uncommon bad luck of not getting any ice-bridge-creating methods.

I suggest a change: have one tile of forest in the overworld in the north-west valley, somewhere near or even just outside the dungeon entrance leading to the Tomb of the High Kings. Right now, in the valley all you have is swamps, plains, hills, and the Minotaur Ruins. The ruins do have a decent number of trees, but nothing as helpful as a forest tile would be. It would be a nice aid to someone stuck with no wands of cold and no magic who's destined to attempt some bridge building. It's already hard enough when the RNG doesn't grant the ease of a wand of cold; let's give them a easier way to haul logs from the surface straight down into the Tomb.