Overview
Amplifier Stone is the one of the main materials required to forge powerful items at Forge Rabbit.
It can be obtained by defeating monsters inside HellGrave Undergrounds, or by forging it using other materials that can also be collected in the same area, so keep farming and you’ll get there!
To access HellGrave Undergrounds, you’ll need an Access Ticket, which can be purchased in the in-game market or from the HellGrave Keeper in HellGrave Village.
Where can I use Amplifier Stone?
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Find the NPC: Forge Rabbit
Go to Forge Rabbit (search for “Forge Rabbit” in Hellgrave Village).
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Make the exchange
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Talk to Forge Rabbit
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Choose one of the options to use the item, but you will need other items to get the full reward.
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🔹 Forge Rabbit Item List
| Item | Requisitos | Cost | Success Rate |
|---|---|---|---|
| Complete Blueprint | 1 Blueprint A + 1 Blueprint B | 0 Gold | 100% |
| Amplifier Stone | 10 Complete Blueprint, 50 Amp. Shards, 1 Soul Essence Potion | 25kk Gold | 100% |
| Hourglass S | 1 Complete Blueprint, 2 Hourglass M | 20kk Gold | 100% |
| Stone 7x EXP | 10 Complete Blueprint, 5 Hourglass S | 50kk Gold | 30% |
| Stone 7x EXP | 10 Complete Blueprint, 5 Hourglass S, 8 Amp. Stone | 30kk Gold | 100% |
| Stone 13x EXP | 20 Complete Blueprint, 10 Hourglass S | 200kk Gold | 30% |
| Stone 13x EXP | 20 Complete Blueprint, 10 Hourglass S, 15 Amp. Stone | 200kk Gold | 100% |
| Skull Jewel | 10 Complete Blueprint, 5 Amp. Stone, 5 Cryst. Dream | 100kk Gold | 100% |
| Hell’s Seal | 3 Skull Jewel, 5 Complete Blueprint, 10 Puls. Heart | 150kk Gold | 100% |
| Enriched Sapphire | 10 Sapphire, 5 Amp. Stone, 10 Pand. Box, 5 Puls. Heart, 1 Skull Jewel | 0 Gold | 100% |
| Ultra Enriched Sapphire | 5 Enriched Sapphire, 5 Amp. Stone, 10 Cryst. Dream, 1 Hell’s Seal | 0 Gold | 100% |
| Enriched G.Tear | 10 G.Tear, 5 Amp. Stone, 10 Pand. Box, 5 Puls. Heart, 2 Skull Jewel | 0 Gold | 100% |
| Ultra Enriched G.Tear | 5 Enriched G.Tear, 5 Amp. Stone, 10 Cryst. Dream, 2 Hell’s Seal | 0 Gold | 100% |
💡 Tips & Troubleshooting
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Before making the exchange check if you have available space in your inventory
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If the UI bugs out, relog and try the exchange again.
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Any other issues, please contact support via discord
