Grenwall spikes

Grenwall spikes can be obtained by box trapping Grenwall. They can be used to make headless arrows when you attach feathers to them, or sold to the hunter stores in Yanille and Nardah.Sold to Aleck (hunter shop in Yanille beside pet shop)for 140 coins and less.It is also rumoured that the Grenwall spikes will be used as 2nd ingredient to Summoning. If you use the spike on Leon he said that the spike can be use once he completed the hunter crossbow.