Ice Arrow

The Ice Arrow is one of the Three Mystical Weapons of Arturus of Arturus.

Usage
It is used to defeat the Dragotank in Astro Knights Island.

Meltdown Cave
When you enter Meltdown Cave you try to go behind his mace-tail without getting maced after that click the lever. The dragon is temporarily shut down. You notice that it's mouth opens. Fire the arrow into his mouth when he is temporarily shut down. (It needs perfect timing though). Continue this two more times to defeat the dragon.

Mordred's Fortress
When you arrive at Mordred's Fortress, the Binary Bard will steal it from you. He will then turn it into the Green Fuel Orb to power up his robot along with the Laser Lance and Force Shield.