It’d be fun to have Dolyak golems.
Have blueprints that you can buy or have it as a supply camp upgrade similar to canons and mortars where the build site is automatic. It would allow you to build a Dolyak Golem, which is like a siege golem but dolyak form.
When built, someone can jump inside, collect more supply and run the supply to a tower or keep similar to a regular dolyak delivery. This means players and guilds can form and escort their own custom supply caravans with custom routes.
It’d be pretty fun helping to escort these, and also finding and attacking them.