Thread:Wilesjeffery2152/@comment-31772644-20170728050725/@comment-31772644-20170728055440

Well we've implied that whatever made him truly immortal is linked to the Tree and the Caretaker's immortality, but altered in some way. Perhaps the "life-for-a-life" effect is in place? Or maybe something happened to give him the cumulative lives of everyone who died. I imagine it was a LOT of people, that could have lasted him well into the present day. Assuming the average life expectancy was between 40 and 60-ish (probabaly way off there), it would take only around 40 people or so to last him 2000 years. He likely has a lot more left to burn.