Its enough to use Ravager Blade, but you will like to bring some potion though Great sword has a very slow attack Speed. Ravager Blade is quite easy to craft, only need x15 iron ore,ice crystal, and earth crystal.
How to Get strong Great sword with easy Ingredient
Added 31 Dec 2010, ID #3785
Ask the weaponcrafter and let him to craft you a Great sword named Ravager Blade (You must already kill Giadrome from the chief quest to do this). Though it only need Iron Ore , Earth crystal and Ice Crystal. Commonly Iron ore and Earth crystal is appear to be resourceable at Jungle, Snow mountain or even Farm. Ice crystal is from Snow Mountain or Farm. Ravager Blade cost 2150z to spend (Att :+576 Def+1