Equipment(weapon, armors, etc.) can be upgraded or refined by upgrade NPCs in each major towns to make them more powerful. All equipment has a maximum upgrade level of +10(for checking), starting from +0. +0 items do not have any prefixes, upon initial and consequent upgrades, the number of upgrade levels will be displayed on the equipment. (ie. +5 Hunters Bow).
Also, you can turn Rough Oridecon and Rough Elunium to create single refined Oridecon and Elunium, which are needed for upgrading Lv. 3 / Lv. 4 weapons, items and armors, respectively.
*The Kafra Shop offers Enriched versions of these two ores, which, when used by a special upgrade NPC, increases the chance of successfully upgrading an item.
Upgrade NPC Locations (for Checking)
Inside Prontera (prt_in) 63,60
Inside Morroc (morocc_in) 73,38
Payon (payon) 144,173
Inside Alberta (alberta_in) 29,59
Basement of Juno Armory (juno) 119, 137
2nd floor of Einbroch Blacksmith Guild (einbroch) 255, 108
Basement of Lighthalzen Weapon Shop (lighthalzen) 194, 35
To upgrade equipment, make sure you have the following:
Not all item types can be upgraded. The following item types cannot be upgraded:
Mid and Low Headgears
Any items that are not equipment
Any equipment that specifically says it cannot be upgraded
Upgrading Cost and Item Refines
To upgrade, you need to provide an item refine in order to upgrade your equipment. Item Refines required differs depending on weapon level of the equipment. As for armors, they all take same Item Refines regardless of type.
Following list shows refines + money required. (for Checking)
Weapon Lv. 1 - Phracon (200 Z from NPC Shop) + 50 Z Fee
Weapon Lv. 2 - Emveretarcon (1,000 Z from NPC Shop) + 200 Z Fee
Weapon Lv. 3 - Oridecon (Monster drop) + 5,000 Z Fee
Weapon Lv. 4 - Oridecon + 20,000 Z Fee
All Armor Types - Elunium (Monster drop) + 2,000 Z Fee
Refining Rough Oridecons and Eluniums
When you collect five(5) Rough Oridecons and Rough Eluniums, you can turn them into a single Oridecon or Elunium by talking to an NPC in the upgrade shop. You can make only one pure Oridecon or Elunium each time you talk to the NPC and this does not cost any Zeny.
Effects Gained (for Checking)
When you successfully upgrade, you gain following effects:
Weapon Lv. 1 - Every +1 upgrade gives +2 ATK
Weapon Lv. 2 - Every +1 upgrade gives +3 ATK
Weapon Lv. 3 - Every +1 upgrade gives +5 ATK
Weapon Lv. 4 - Every +1 upgrade gives +7 ATK
Every +1 upgrade gives +1 (it's actually only 0.66) Equipment DEF (not VIT DEF).
Upgrades are useful, as for weapon upgrade, it reduces damage range between min - max damage (allowing you to do better average damage), it also increases your damage range. For armors, it reduces damage you take by 0.66%(for checking) per every upgrade level.
Upgrading failure means your equipment will be permanently destroyed, including any cards and other enchantments it may have had. You won't be refunded Zeny and the ore used to upgrade if it fails. Give careful thought before deciding if you want to upgrade a piece of equipment.
*Safety Level is the maximum level of refinement that can be given to equipment with guaranteed success (0% chance of failure). ROPH servers do not have any Safety Level in upgrading.