How much does the Lethal plugin cost? Lethal costs USD$9.99/mo. for 20 months, on a rent-to-own subscription basis. Try it before you buy it—you pay nothing for 3 days. Contact our Support team to stop or cancel your plugin plan at any time. See pricing Related articles When will I own my plugin? What is Lethal? How do I install Lethal? How do I stop my plugin plan? What do I need to know before mastering?