Suggest new ideas here.

For example, it could be implemented so that the movement penalty is not completely removed for every type of terrain, but only for specific ones – for instance, during the week of Sand, a hero with the Tarantula artifact would have unhindered movement across the desert...

And instead of a 10% movement bonus, a 2% bonus could be implemented! And that would still be like a special ability for Rutger at a low level.

And, by the way, it's possible to introduce not only bonuses but also drawbacks! For example, during the week of Fire, a hero with the Squid artifact (or any other water-related artifact) would take 2% more damage from Fire element spells...