Note that it is both immoral and illegal to record anyone without their permission.
However, you can record conversations on Discord using Discord Bots that are the particular applications and third-party applications. Unfortunately, Discord does not come with the recording feature, so that you cannot record video/audio calls using Discord. You will walk through a few software that can help you record Discord audio calls with ease. If you are happening to the situation similar, please keep reading. Other software will pick up other peoples voices, but not mine. Some software will pick up my voice, but no one elses. None of the audio I have used has worked smoothly.
'So in a Discord server I'm in, my friends and I like to have a session every weekend where we will spend hours and hours going around reading and talking. With corona we just figure it will be both easier at first and probably better if we record through discord.' – From Reddit 'So my local band and I are looking to explore other forms of content and we all decided to start a podcast with a targeted fan base of nerdy musicians like us. See How to Record Discord Audio Why Do You Record Discord Audio?