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Extended antifire(4)
4 doses of extended anti-firebreath potion.
380gp
379gp
1gp
-6gp
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—
Price history
1 points · hover for detail
Volume · units traded
- 30D low
- 379
- 30D high
- 380
- Volatility
- 0.3%
Flip calculator
Includes the 2% Grand Exchange tax
-6gp
-6 per item · -1.58% ROI
Tax puts break-even at 386 gp.
- Capital required
- 379 gp
- Gross revenue
- 380 gp
- GE tax (2%, 7/item)
- − 7 gp
- Break-even sell
- 386 gp
Item data
- High alchemy
- 264 gp30.5% below market
- Low alchemy
- 176 gp
- Shop value
- 440 gp
- Weight
- 0.035 kg
- Skill / type
- Herblore
- Requires
- Herblore 84
- Stack / note
- Not stackable · noteable
- Released
- Mar 27, 2014
About Extended antifire(4)
The Extended antifire(4) is a members-only potion in Old School RuneScape.
"4 doses of extended anti-firebreath potion"
Over the last 30 days it traded between 224 and 387 gp on the Grand Exchange, averaging 275 gp. About 83,456 units changed hands per day. The price is up 27.1% across that window. The Grand Exchange buy limit is 2,000 every 4 hours. Selling one at the average price costs 5 gp in Grand Exchange tax.
Casting High Level Alchemy returns 264 gp, which is 4.0% below the 30-day average price, so alching a bought one loses money.
How to get Extended antifire(4)
Only Reward casket (elite) (1/14,662.5) drops Extended antifire(4). It can be made from Antifire potion(4) and Lava scale shard.
Dropped by
| Monster | Rarity | Quantity |
|---|---|---|
| Reward casket (elite) | 1/14,662.5 | 30 (noted) |
Recipes
Where this item appears in crafting and processing.
Made from
Extended antifire(4) price history
Daily averages rolled up per month, newest first.
| Month | Average | Low | High | Volume |
|---|---|---|---|---|
| October 202612d | 322 | 231 | 387 | 1,241,108 |
| September 2026 | 265 | 224 | 375 | 1,918,763 |
| August 2026 | 293 | 262 | 383 | 2,507,780 |
| July 2026 | 331 | 234 | 448 | 2,850,668 |
| June 202621d | 379 | 312 | 423 | 1,187,751 |
| May 20262d | 458 | 420 | 496 | 132,564 |
| April 20261d | 489 | 489 | 489 | 43,455 |
| March 2026 | 493 | 374 | 640 | 867,988 |
| February 2026 | 775 | 533 | 991 | 118,818 |
| January 2026 | 928 | 796 | 1,616 | 17,856 |
Across 10 months of recorded prices Extended antifire(4) ranged from 224 gp in September 2026 to 1,616 gp in January 2026, measured over 218 trading days.
The 30-day average of 275 gp sits in the lower third of that range.
All prices in gp. Volume counts units traded across both sides of the Grand Exchange.
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