The Queen is a vanilla Champion unit from the game chess. It has a cost of 21, and can move across the entire board diagonally, vertically, and horizontally.
Quick Stat: Queen Edit
|Tier 1||Tier 2||Tier 3||Tier 4|
Tier 2: Queen+ Edit
To Upgrade from Queen to Queen+, you need 3 Queen and 150 Dragon Coins.
Tier 3: Queen++ Edit
To Upgrade from Queen to Queen++, you need 3 Queen+ and 600 Dragon Coins.
Tier 4: Queen+++ Edit
To Upgrade from Queen to Queen+++, you need 3 Queen++ and 3000 Dragon Coins.
Strategy: Queen Edit
This piece, even without upgrades, is one of the most mobile pieces in the entire game. Its unlimited range and later knight-like movements make it virtually invincible and able to evade almost any attack, but also comes at a great cost .
Strength: Queen Edit
The queen has wonderful coverage, especially in close quarters. One can often use this to assault a badly placed king or just put pressure on the opponent's back line. Under normal circumstances, one will generally use the queen to protect a multitude of pieces and hold important positions on the board during the early to mid game while using its range to efficiently take or trade pieces later on. With later upgrades (especially ++), the only pieces able to threaten it while being unguarded are the Valkyrie, Angel, Frostmage, Aquarius, Thundermage, Wrath, Comet, Pheonix, and arguably Envy. With armor, HauntedArmor, Crusader, Fencer, are also able to threaten it at close range without being taken, and Bomber's as well as Pheonix's on-death effects make any opponent hesitant to take these two with a queen.
If one chooses to use the queen in the army, it is generally not a good idea to develop the queen early in the game; crowded boards make it easy for a skilled tactician to trap the queen. However, the queen still thrives defensively in those situations, as no single piece can easily target other pieces under the queen's protection.
Weakness: Queen Edit
The high morale cost makes it difficult to make a worthy trade with the queen. (At +++, it would only be a fair trade against itself or the King) The queen is also very susceptible to forks by knights, Valkyries, or any other piece that has unblockable or irregular movement. By targeting both the queen and another expensive or important piece, good players may be able to trade the queen for a relatively cheap piece.
Queen traps are also very dangerous, but mostly in the early game. A restricted queen can be attacked in a way so it has nowhere to go - the player has no option other than trading the queen. These two hazards make queens significantly weaker in CEO, as many more pieces have abilities or movement that can easily play around queens.