Grail

The installed Grail brings an additional +5000 gold daily to the kingdom. Castle - Colossus - Increases the morale of all friendly heroes by 2 points. Rampart - Spirit Guardian - Increases the luck of all friendly heroes by 2 points. Tower - Celestial Guardian - Reveals the entire world map and increases the knowledge level of any defending hero by 15 points. Inferno - God of Fire - After the appearance of this deity, each week becomes Imp Week (Imp, Familiars +15). Necropolis - Dungeon of Souls - Improves the Necromancy skill of all friendly heroes who possess this skill by 20%. Dungeon - Earth Guardian - Increases the Spell Power of any garrison hero by 12 points during an enemy siege. Stronghold - Monument to the Gods of War - Increases the Attack skill of any garrison hero by 20 points during an enemy siege. Fortress - Carnivorous Plant - Increases the Attack and Defense skills of any garrison hero by 10 points during an enemy siege. Conflux - Rainbow - The presence of the Rainbow grants the Magic Guild of that city all known spells, even if they are generally forbidden on the map (exception: spells that the map author has specifically designated as unavailable for that city will not appear). *** More details here.