Grade Enhancement

Grade Enhancement is a system that allows players to upgrade their equipment beyond refining, adding additional stat bonuses based on the grade level achieved.

Overview

Grade	Bonus	Min Refine	Announcement
None → D	+10	+9	Success only
D → C	+30	+10	Success only
C → B	+50	+11	Success and Failure
B → A	+100	+11	Success and Failure

NPC	Location
Sratos	grademk (34, 184)

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Equipment Requirements

Grade Enhancement is available for:

Type	Level Requirement
Armor	Level 2 Armor
Weapon	Level 5 Weapon

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Upgrade Options

Each grade upgrade offers two options:

Option	Risk	Material Cost	Zeny Cost
Option 1 (Risky)	100% break on failure	1x Material	175,000z
Option 2 (Safe)	No break on failure	5x Material	875,000z

⚠️ Warning: Option 1 will destroy your equipment on failure! Use Option 2 (Safe) if you cannot afford to lose the item.

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Grade D (None → D)

Minimum Refine: +9

Materials

Option	Material	Amount	Zeny	Break Rate
Risky	Etel Aquamarine (#1000325)	1	175,000z	100%
Safe	Etel Aquamarine (#1000325)	5	875,000z	0%

Success Rates

Refine	Base Chance	With Max Catalyst (+10)
+9	10%	20%
+10	20%	30%
+11 to +15	70%	80%
+16 to +20	80%	90%

Catalyst

Item	Per Step	Max Steps	Bonus Per Step
Blessed Etel Dust (#1000337)	1	10	+1% chance

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Grade C (D → C)

Minimum Refine: +10

Materials

Option	Material	Amount	Zeny	Break Rate
Risky	Etel Topaz (#1000326)	1	175,000z	100%
Safe	Etel Topaz (#1000326)	5	875,000z	0%

Success Rates

Refine	Base Chance	With Max Catalyst (+10)
+10	20%	30%
+11 to +15	60%	70%
+16 to +20	70%	80%

Catalyst

Item	Per Step	Max Steps	Bonus Per Step
Blessed Etel Dust (#1000337)	3	10	+1% chance

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Grade B (C → B)

Minimum Refine: +11

Materials

Option	Material	Amount	Zeny	Break Rate
Risky	Etel Amethyst (#1000327)	1	175,000z	100%
Safe	Etel Amethyst (#1000327)	5	875,000z	0%

Success Rates

Refine	Base Chance	With Max Catalyst (+10)
+11 to +15	50%	60%
+16 to +20	60%	70%

Catalyst

Item	Per Step	Max Steps	Bonus Per Step
Blessed Etel Dust (#1000337)	5	10	+1% chance

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Grade A (B → A)

Minimum Refine: +11

Materials

Option	Material	Amount	Zeny	Break Rate
Risky	Etel Amber (#1000328)	2	175,000z	100%
Safe	Etel Amber (#1000328)	10	875,000z	0%

Success Rates

Refine	Base Chance	With Max Catalyst (+10)
+11 to +15	40%	50%
+16 to +20	50%	60%

Catalyst

Item	Per Step	Max Steps	Bonus Per Step
Blessed Etel Dust (#1000337)	7	10	+1% chance

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Material Summary

Jewels (Required)

Material	Used For	Risky Amount	Safe Amount
Etel Aquamarine (#1000325)	None → Grade D	1	5
Etel Topaz (#1000326)	Grade D → C	1	5
Etel Amethyst (#1000327)	Grade C → B	1	5
Etel Amber (#1000328)	Grade B → A	2	10

Catalyst (Optional)

Material	Effect	Max for Grade D	Max for Grade C	Max for Grade B	Max for Grade A
Blessed Etel Dust (#1000337)	+1% chance per step	10 (10 total)	30 (10 total)	50 (10 total)	70 (10 total)

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Total Cost Estimate (Safe Path)

For a single piece of equipment from None to Grade A using Safe option:

Grade	Material	Zeny	Max Catalyst
D	5x Etel Skyblue Jewel	875,000z	10x Blessed Etel Dust
C	5x Etel Topaz	875,000z	30x Blessed Etel Dust
B	5x Etel Violet Jewel	875,000z	50x Blessed Etel Dust
A	10x Etel Amber	875,000z	70x Blessed Etel Dust
Total	25 Jewels + 160 Dust	3,500,000z	—

Note: This assumes success on first attempt. Multiple attempts may be needed due to success rates.

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Tips

💡 Tip: {{{1}}}

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See Also

• Refining — Standard equipment refinement
• Enchantment — Equipment enchantment system