Resources required for Flame throwers upgrades

Level-1

Level-2

 

Level-3

 

Level-4

 

 Level-5

Level-6

 Level-7

 Level-8

 

Level-9

Level-10

Level-11

Level-12

Level-13

Level-14

Level-15

Level-16

Level-17

Level-18

Level-19

Level-20