Usable
From SpiralKnights
A variety of usables are available in Spiral Knights, usually purchasable at the cost of energy.
Note that, after obtaining a usable, you must activate it to gain its benefits. You can do so by locating it in your arsenal, under the Usable section, left-clicking on it, and selecting "Activate" or "Upgrade".
Contents
Upgrades
Trinket Slot Upgrade
Trinkets are a type of gear that bestow a variety of small, but useful benefits to your knight. Any player can acquire trinkets, but in order to equip them, trinket slots must be unlocked with an upgrade. Up to two Trinket Slot Upgrades may be activated at a time. Each one will unlock a single trinket slot for 30 calendar days. An activated slot upgrade will remain visible in your arsenal with the expiration date and time showing in the mouseover tooltip.
Weapon Slot Upgrade
By default, players are only able to equip two weapons when they descend into the Clockworks. This limit can be increased up to four weapons by purchasing and using Weapon Slot Upgrades. Up to two Weapon Slot Upgrades may be activated at a time. Each one enables an additional weapon slot for 30 calendar days. An activated slot upgrade will have a yellow background and remain visible in your arsenal with the expiration date and time showing in the mouseover tooltip. If you have both an activated and unused slot upgrade in your arsenal, you can click on the activated slot upgrade and use the unused slot to extend the expiration date by 30 days.
Krogmo Coin Booster
Once used, this upgrade will increase Coins earned in Coliseum games by 1 for 24 hours. You may have up to 6 Krogmo Coin Boosters active at any time.
Heat Amplifier
This upgrade grants the user 20% extra heat gain for 48 hours.
Vendors
Upgrades can be purchased from Boost, located in the Bazaar section of Haven.
Other Usables
Mini Mist Tank
Activating a Mini Mist Tank refills 15 of a knight's mist energy and removes a Mini Mist Tank from your arsenal. Mist tanks are sent to knights by Spiral HQ via mail after a Spiral Knights player on Steam has an invited friend play through the tutorial and reach the Rescue Camp; this will happen for the first 4 invited friends to do this. They must be "Accepted" to be added to your arsenal from the mail. These tanks may also be obtained from bribing Krogmo in King Krogmo's Coliseum. Mini Mist Tanks will not allow a knight to have more than 100 mist energy.
Mist Tank
Activating a Mist Tank completely fills up a knight's mist energy and removes a Mist Tank from your arsenal. Mist Tanks are sent to knights by Spiral HQ via mail after achieving certain accomplishments and must be "Accepted" to be added to your arsenal from the mail. Mist Tanks will not allow a knight to have more than 100 mist energy.
Silver Key
A special key that can open any lockbox. Silver Keys can be bought from the Special Items Merchant Boost for 750 energy, and are destroyed once used.
Iron Lockbox
A special prize box that contains one of hundreds of unique items that cannot be found anywhere else. It can only be opened with a Silver Key. Silver Keys can be purchased from Boost, the Special Items merchant.
Iron Lockboxes are obtained as a prize from the prize wheel.
