Talk:Fire Shrine/@comment-4700488-20120306190816/@comment-4904906-20120330012339

To clarify, cumulative food for achieving level X = 20 * (( 2 ^ (X-1)) - 1).

E.g., cumulative food to reach level 4 is 20*((2^3)-1) = 140.

Since from 1 to 2 is 4*5, from 2 to 3 is 4*10, and 3 to 4 is 4*20... that is, 4*5 + 4*10 + 4*20 = 140.