Sharpening Stone

Sharpening Stone is an uncommon ascension material which is also used in the training camp and Hero Academy.

Materials & Items
Ascension Materials	Adventurer's Kit • Arcane Scripts • Battle Manual • Chainmail Shirt • Compass • Dagger • Damascus Blade • Farsight Telescope • Fine Gloves • Hidden Blade • Leather Armor • Mysterious Tonic • Mystic Rings • Orb of Magic • Practice Sword • Poison Darts • Royal Tabard • Rugged Clothes • Scabbard • Sharpening Stone • Strong Rope • Sturdy Shield • Tall Boots • Tome of Tactics • Training Manual • Trap Tools • Warm Cape • Wooden Shield
Crafting Materials	Clean Cloth • Common Herbs • Crude Iron • Crypt Mushroom • Crystal Shard • Dragon Bone • Fine Steel • Firestone • Grimoire Dust • Hardwood Lumber • Large Bone • Leather Strips • Metal Ores • Meteor Fragments • Midnight Roots • Oil • Orichalcum Nugget • Potent Leaves • String • Sunspire Feathers Titan: Beak • Egg • Eye • Fang • Heart • Plume • Shell • Skull • Spine • Tail
Battle Items	Minor Healing Potion • Minor Mana Potion • Antidotes • Arrow Attack • Healing Potion • Bear Banner • Turtle Banner • Axe Attack • Potent Healing Potion • Mana Potion • Super Antidotes • Bomb Attack • Revive Scroll • Dragon Banner • Super Healing Potion • Dragon Attack • Super Mana Potion • Time Stop • Tornado • Miracle Scroll Giant Harpoon • Titan Banner • Titanium Shield • Panacea • Invisibility Potion • Valkyrie's Bane • Hunter's Caltrops • Hurricane • Scroll of Alteration • Time Freeze
Inventory Items	Aethers • Alkashards • Amulets • Bundles • Costumes • Emblems • Flasks • Harvesters • Loot Tickets • Tokens • Tomes of Power Dragonlings • Dragonstone • Fish • Food • Gems • Iron • Recruits