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BoomRO

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🔨 Refine System

Know your odds before you hammer

Every success rate, every ore and every risk of refining in BoomRO — straight from the server settings.

⚒ How to Refine

The BoomRO refine window
The BoomRO Refine window: put your equipment in, check the Success chance at the top, then press Refine.

① Prepare

You need the correct ore for your equipment (see the table below), 2,000 zeny per attempt, and optionally a Blacksmith Blessing.

② Open the Refine window

Talk to the refine NPC in town and choose the equipment you want to refine. The Refine window shown above opens.

③ Choose and hammer

Pick Normal or Enriched ore. The Success % at the top changes with your choice. Press Refine when you are happy with the odds.

Failure destroys the equipment. Once your refine passes the safe limit, a failed attempt breaks the item — it does not just lose a level. Cards inside it are lost too. Use a Blacksmith Blessing where it is available, or stop at a safe level.

💎 Ores and Safe Limit

Each equipment type uses its own ore. Refining is 100% safe up to the limit shown below.

EquipmentNormal oreEnriched ore100% safe up to
Armor, shield, garment, shoes, headgear, accessoryEluniumEnriched Elunium+4
Weapon Lv.1PhraconEnriched Oridecon+7
Weapon Lv.2EmveretarconEnriched Oridecon+6
Weapon Lv.3OrideconEnriched Oridecon+5
Weapon Lv.4OrideconEnriched Oridecon+4

The Weapon Level (Lv.1 – Lv.4) is written in the item description. The Mine Worker Pickaxe is a Weapon Lv.4, so it follows the Weapon Lv.4 table.

📊 Success Rates

Read the table as “from the current level to the next level”. 📢 = a success at that level is announced to the whole server.

100% safe 50% or more 20% – 49% below 20%

🛡 Armor & Weapon Lv.4

Armor and Weapon Level 4 share the same table. Ores: Elunium / Enriched Elunium for armor, Oridecon / Enriched Oridecon for Weapon Lv.4.

RefineNormal oreEnriched oreBlacksmith BlessingIf it fails
+0 → +1100%100%-Safe
+1 → +2100%100%-Safe
+2 → +3100%100%-Safe
+3 → +4100%100%-Safe
+4 → +540%100%-Item breaks
+5 → +625%50%-Item breaks
+6 → +7 📢15%33.33%×1Item breaks
+7 → +8 📢10%25%×2Item breaks
+8 → +9 📢3%10%×3Item breaks
+9 → +10 📢1%3.33%×4Item breaks

🗡 Weapon Lv.1

Ores: Phracon / Enriched Oridecon.

RefineNormal oreEnriched oreIf it fails
+0 → +1100%100%Safe
+1 → +2100%100%Safe
+2 → +3100%100%Safe
+3 → +4100%100%Safe
+4 → +5100%100%Safe
+5 → +6100%100%Safe
+6 → +7 📢100%100%Safe
+7 → +8 📢50%65%Item breaks
+8 → +9 📢30%45%Item breaks
+9 → +10 📢25%40%Item breaks

🗡 Weapon Lv.2

Ores: Emveretarcon / Enriched Oridecon.

RefineNormal oreEnriched oreIf it fails
+0 → +1100%100%Safe
+1 → +2100%100%Safe
+2 → +3100%100%Safe
+3 → +4100%100%Safe
+4 → +5100%100%Safe
+5 → +6100%100%Safe
+6 → +7 📢50%60%Item breaks
+7 → +8 📢30%35%Item breaks
+8 → +9 📢10%30%Item breaks
+9 → +10 📢8%25%Item breaks

🗡 Weapon Lv.3

Ores: Oridecon / Enriched Oridecon.

RefineNormal oreEnriched oreIf it fails
+0 → +1100%100%Safe
+1 → +2100%100%Safe
+2 → +3100%100%Safe
+3 → +4100%100%Safe
+4 → +5100%100%Safe
+5 → +650%65%Item breaks
+6 → +7 📢45%60%Item breaks
+7 → +8 📢20%35%Item breaks
+8 → +9 📢15%30%Item breaks
+9 → +10 📢10%25%Item breaks

💡 Tips

Always compare ores

Enriched ore has a much better chance than Normal ore, especially from +5 to +10 on armor. Switch the ore in the window and watch the Success %.

Stop at the safe limit

If you only want a stable build, refine up to the safe limit of your equipment and stop there — no risk at all.

Where to get ores

Ores drop from monsters and from the Mining Room. Enriched ores can also come from gacha eggs and events.

Rates shown here are the server settings. The Success % in the Refine window is always the final truth for your item.