What are Red Daleks?

The rank of Red Dalek is a fairly well-documented rank in the Dalek hierarchy, initially having significant power and influence in early Dalek history before seemingly disappearing until the Time War broke out. What is the in-universe history of the rank of Red Dalek? You can support the channel with a monthly £2.50 donation to Dalek Bumps on Patreon:   / dalekbumps   You can also join the Dalek Bumps Discord server to chat with other Dalek fans:   / discord   All footage and music is the property of the BBC.