A sub-reddit devoted to the MMORPG EVE Online. Hey guys I upgraded my skills to the point where I am able to put things in my rig slots. The following rigs decrease CPU need for those weapons, but increase powergrid need Additional you'll loose rig slots, so think twice about using them for your fitting. EVE Online and the EVE logo are the registered trademarks of CCP hf. Rigs are permanent ship modifications that fit into the rigging slots of a ship. Once fit, they must be destroyed in order to be removed (unlike.