If you want your own private node, Oracle Cloud’s "Always Free" tier is the most powerful option.
He settled on a node hosted by HeavenCloud , which offered a high-speed 10 Gbps uplink. He carefully copied the connection details: the host address, the port, and the simple password "heavencloud.in." With trembling fingers, he pasted the credentials into his bot’s configuration file. lavalink hosting free link
If you find a working , follow these rules to avoid getting banned: If you want your own private node, Oracle