Zombie Hunter/Level 4

First quarter
The starting shop sells Candle x8, Jar x2, and Jar x3.

Third quarter
The candle in the background of Battle #17 is a hidden shop, which sells Crystal Staff Lv8, Medicine x2, and Medicine x6.

Fourth quarter
A shop at Battle #25 sells Candle x6, Jar x2, and Jar x4.