Arena is used to form fight against the opposite nation and in some cases other servers. There are currently five sizes of fights and one map known as Armageddon.
1v1
2v2
3v3
6v6
12v12
24v24 (Only in ACE Online Beta)
The objective is to eliminate the other teams tickets to 0. Each Player Starts off with 10 Energy and 10 Shield Kits as well as some SPI. Every time a player on the enemy team dies, it results in 1 ticket loss. Reguardless of outcome Warpoints are rewarded with the winning team receiving three times more Warpoints.
Items can be dissolute in the Dissolution NPC which makes Ionising particles.
Ionising particles, when kept in the inventory, are used up automatically whenever Kits (Energy and Shield) are used and improves their repair rate by 10%. Also, it increases the damage dealt by the P.E.T.
The Laboratory is where items are used together with enchant and gamble cards. This is where players can gamble fixes to their armours and weapons and enchant weapons with enchant cards.This is also where players can remove fixes from their items using the corresponding -fix wipes.
Skill shop allows a player to purchase skills for their respective gears. Special skills and Elite skills require you to have a "Special Skill Opening Card" and "Elite skill opening card" in your inventory. The cards are consumed when the skill are purchased.
Warehouse is the storage house of Ace Online. Every player has access to warehouse which allows them to store up to 100 items (150 for membership users) in it. Users with membership also have access to brigade warehouse and they can deposit their items in it. Although a player must have a rank in order to withdraw anything from brigade warehouse.
Membership users also have shared warehouse for all their alt gears.
Both Nations have warp shop located in towns which can be used to warp to maps of their respective nations. A fixed amount of spi must be paid as a fee.
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