Epic Gears are special gears which allow you to further customize your hero. With an epic gear you could put a Fire Mage's hat on a pirate. However you may not put another heroes's weapon, with a hero that does not correspond to the weapon.
Here are a list of the current Epic Gears:
Epic laser gun
Epic Taekwon Gloves
Epic Iron Long Sword
Epic Gigantic Hook
Epic Western Revolver
Epic Flame Staff
Epic Cyber Syringe
Epic Savage Sword
Epic Robin's Bow
Epic Sapper Mines
Epic Icicle Staff
Epic Infantry Rifle
Epic Assassin Claws
Epic Crescent Blade
Epic Boxing Gloves
Epic Raider Axe
Epic Ninja Daggers
Epic Shot Gun
Epic Iron Breastplate
Epic Hook's Coat
Epic Western Wear
Epic Berserker Jerkin
Epic Robin's Tunic
Epic Ice Robe
Epic Infantry Camo
Epic Assassin Garb
Epic Defender Tights
Epic Boxing Trunk
Epic Musketeer Uniform
Epic Taekwon Dobok
Epic Adventure Outfit
Epic Reaper Robe
Epic Cursed Hat
Epic Iron Helm
Epic Cowboy Hat
Epic Berserke rHelm
Epic Sapper Helm
Epic Ice Hat
Epic Infantry Helmet
Epic Trooper Helm
Epic Bamboo Hat
Epic Defender Mask
Epic Dragon Hat
Epic Viking Helm
Epic Ninja Mask
Epic Musketeer Tricorne
Epic Taekwon Headband
Epic Lolipop Headband
Epic Reaper Horns
Epic Golden Handcuff
Epic Fire Cape
Epic Cyber Booster
Epic Robin's Quiver
Epic Infantry Backpack
Epic Trooper Jetpack
Epic Dragon Scroll
Epic Boxing Trophy
Epic Viking Shield
Epic Ninja Scarf
Epic Taekwon Sign
Epic Chaotic Doll
Epic Hunter's Camera
Epic Grim Scroll