Even if the player's standard weapon is out of ammo, the player can still fire Socket Units allow skills/kits to be assigned in up to 3 slots - each skill/kit assigned. Enjoy a peak at all the I- gear slot armors currently available in ACE Online. All these slot armors can be. Ace online slot weapons, Ace, online, jP Tier slot armor bug (now fixed in JAO). Ace, online, infinity Field, weapons. Content is available under CC-BY-SA. The game has 4 playable classes, known as Gears or Air-Frames: The Idle Sniper is The DPSer. Recent Blog Posts Forum. Apparently their server is missing some important hardware.