Scanning an item now provides it's rarity!
The rarer the item the less of a chance you will get it.
Rarities:
[very common] - example: Newbie Sword, Mono-HP Pack
[common] - example: Simplifier, Amateur Armor
[uncommon] - example: Defense Shatter, Orange Juice
[rare] - example: Self-Charger, Silver Helmet
[very rare] - example: Vector-B Box, TNT
[extra rare] - example: Auto-Turret, Legendary Drink
[super rare] - example: Polymorph Potion, Amulet Of Yendor
[ultra rare] - example: Platinum Yendorian Express Card, X-7 Blaster v9,001
[super ultra rare] - example: Hypernova-in-a-box, Full Astrality Potion
[ultimate rare] - example: Auto-PWNER, Prismatic Astral Shielded Armor
The rarer the item the less of a chance you will get it.
Rarities:
[very common] - example: Newbie Sword, Mono-HP Pack
[common] - example: Simplifier, Amateur Armor
[uncommon] - example: Defense Shatter, Orange Juice
[rare] - example: Self-Charger, Silver Helmet
[very rare] - example: Vector-B Box, TNT
[extra rare] - example: Auto-Turret, Legendary Drink
[super rare] - example: Polymorph Potion, Amulet Of Yendor
[ultra rare] - example: Platinum Yendorian Express Card, X-7 Blaster v9,001
[super ultra rare] - example: Hypernova-in-a-box, Full Astrality Potion
[ultimate rare] - example: Auto-PWNER, Prismatic Astral Shielded Armor