Potential & Enhancement System Guide

According to what we know here, or more specifically,

 this

031003.info.optionType 54
031003.info.reqLevel 120
031003.level.1.level 1
031003.level.2.level 1
031003.level.3.level 1
031003.level.4.level 1
031003.level.5.level 1
031003.level.6.level 1
031003.level.7.level 1
031003.level.8.level 1
031003.level.9.level 1
031003.level.10.level 1
031003.level.11.level 1
031003.level.12.level 1
031003.level.13.level 1
031003.level.14.level 1
031003.level.15.level 1
031003.level.16.level 1
031003.level.17.level 1
031003.level.18.level 1
031003.level.19.level 1
031003.level.20.level 1

Yes, an item from level 0 to lvl 200 (level.0 to level.20) can have the skill at level 1.

That is, if you're willing to read too much into what the data implies.

What does "031003.info.reqLevel 120" refer to?

What does "031003.info.reqLevel 120" refer to?

Sharp Eyes.

how do attack bonuses and skills work with dual blades? i.e. does the % total damage on one weapon apply to both hits or only to the weapon that has the bonus? is it the same with skills like seal and freeze?

Haste (Shoes) [Your character must be level 70 or higher to have a chance to get this, and the item must be Epic to receive the skill as an upgrade]
Level 1 - MP -50, For 200 seconds, Speed +20, Jump +10

Mystic Door (Hat) [Your character must be level 70 or higher to have a chance to get this, and the item must be Epic to receive the skill as an upgrade]
Level 1 - MP -120, Consume 2 magic rocks, magic door lasts 120 seconds

Sharp Eyes (Gloves) [Your character must be level 120 or higher to have a chance to get this, and the item must be Unique to receive the skill as an upgrade]
Level 1 - MP -80, For 240 seconds, Critical Chance +10%, Damage +25%

Hyper Body (Top/Bottom/Overall) [Your character must be level 70 or higher to have a chance to get this, and the item must be Unique to receive the skill as an upgrade]
Level 1 - MP -80, For 240 seconds, Increase Max MP +40%, Increase max HP +40%

Are you sure it's still the level of the character? People have been saying it's the item level, while some say it's the character level that matters, which one is it?

It's the item level.

errmmm.. what about shields o.o
and the evan dragon EQs

errmmm.. what about shields o.o
and the evan dragon EQs

Evan Dragon equips cannot be potentialed unfortunately.