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By the way, regarding the ideas about boosting and so on, they have been known for a very long time.
I made a special map around 2004, I think, where you had to complete the entire map along the perimeter in one day using an oasis. :).
ROLpogo also proposed a very interesting boosting method: boosting one pair of gloves + boots for several heroes on the same day.
It's done like this:
1. Take a companion hero on the map.
2. Give him gloves and/or boots (the companion hero must have free slots for gloves and boots so that he can put them on immediately).
3. Our hero with mass magic attacks, and the battle is conducted so that BOTH heroes go to the tavern.
4. The companion hero, boosted with boots and/or gloves, is bought back. :)
5. If you need another boosted hero, repeat the operation from step 1.