I think there should be a 3 day grace period on ruins so players are able to loot them and so players can't immediatly make a town and take all of the loot for themselves.
If I recall correctly there is a 2 day grace period? On claiming ruined tiles, sometimes it takes longer for there to be an inhibitor replaced by an elder, but the actual block on placing on the tile lasts 2 days.
If I recall correctly there is a 2 day grace period? On claiming ruined tiles, sometimes it takes longer for there to be an inhibitor replaced by an elder, but the actual block on placing on the tile lasts 2 days.