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Thank you very much for your feedback. Regarding the Manticores, that was definitely a mistake, and I will fix it and re-upload the map. Access to the sea treasures is through a teleport located in the Dungeon, but there's one secret there:smile42: We will continue to work on the balance. Red was planned as a tactician; resources would help him build faster, and buildings would allow for quicker scouting and attacks. Overall, he requires quick actions. Try playing against all three of them; it will be very interesting.
Added 1 hour and 31 minutes ago
As promised, I have made corrections to the map. Enjoy!!