Selling Price : 40s

Turtle Shell can be obtained by killing these monsters

Rocker 

Lv. 32

Nezim Wetlands

Rocker 

Lv. 35

Nezim Wetlands

Giant Rocker 

Lv. 91

The Corda Pass

Grand Rocker 

Lv. 45

The Corda Pass

Grand Rocker 

Lv. 49

The Corda Pass

Flame Rocker 

Lv. 49

Scorched Tunnels

Flame Rocker 

Lv. 52

Scorched Tunnels

Aqua Rocker 

Lv. 87

Tower of Ice

Aqua Rocker 

Lv. 93

Tower of Ice

Turtle Shell is used in the following blacksmith recipes

Sword

Guardian Blade

Spina: 20,000

Additional

Totapon (Upgraded 1)

Spina: 2,000,000