Mr Smart Quest
The NPC is located in quest room. (At home town Elspring 12 O'clock of the map inside.)
List of Mr Smart's quest item information.

Increase resistance to Neutral property attacks by 10%.
Increase damage with Bow class weapons by 6%.
Defense : 5
Equipped On : Upper
Weight : 250
Applicable Job : Every Job
Looks like an ugly frog but a handsome price is its inside and waiting for a lady who can cure him.
DEX + 1, INT + 1, LUK + 4
Defense : 4
Equipped On : Upper
Weight : 40
Applicable Job : Every Job
Increase resistance to Stun and Frozen by 50%.
Add a 3% chance of auto casting Level 5 Storm Gust on an enemy when attacking. Has 5% chance of Freezing an enemy when attacking.
Defense : 6
Equipped On : Upper
Weight : 80
Applicable Job : Every Job
A Raydric Helm that made for Unique smith.
STR + 2, AGI + 2 Causes Stun effect to enemies by 10% chance.
[Merchant Class]STR + 2, AGI + 2 Causes Stun effect to enemies by 10% chance.
ATK + 5, STR + 1
Defense :7
Equipped On : Upper
Weight : 280
Weight : 280
Applicable Job :Merchant, Swordman

[Thief Class]
Inflict 10% more damage with Critical attacks.
Flee Rate + 2, AGI + 3, STR + 2
Defense : 4
Weight : 50
Applicable Job : Every Job
Inflicts 5% more damage on DemiHuman enemies.
Reduce 5% of the damage taken from DemiHuman enemies.
Defense : 3
Equipped On : Upper, Mid
Weight : 40
Required Level : 70
Applicable Job : Every Job Except Novice