Inquisitor's great helm
The great helmet of the turncloak Justiciar.
92,332,953gp
89,808,734gp
2,524,219gp
+677,560gp
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Price history
1 points · hover for detail
Volume · units traded
- 30D low
- 89,808,734
- 30D high
- 92,332,953
- Volatility
- 2.8%
Flip calculator
Includes the 2% Grand Exchange tax
+677,560gp
+677,560 per item · +0.75% ROI
- Capital required
- 89,808,734 gp
- Gross revenue
- 92,332,953 gp
- GE tax (2%, 1,846,659/item)
- − 1,846,659 gp
- Break-even sell
- 91,641,565 gp
Item data
- High alchemy
- 300,000 gp99.7% below market
- Low alchemy
- 200,000 gp
- Shop value
- 500,000 gp
- Weight
- 2.721 kg
- Skill / type
- Head
- Stack / note
- Not stackable · noteable
- Released
- Feb 6, 2020
About Inquisitor's great helm
The Inquisitor's great helm is a members-only piece of equipment in Old School RuneScape.
"The great helmet of the turncloak Justiciar"
Over the last 30 days it traded between 71,292,549 and 105,177,721 gp on the Grand Exchange, averaging 83,307,967 gp. About 146 units changed hands per day. The price is up 24.3% across that window. The Grand Exchange buy limit is 8 every 4 hours. Selling one at the average price costs 1,666,159 gp in Grand Exchange tax.
Casting High Level Alchemy returns 300,000 gp, which is 99.6% below the 30-day average price, so alching a bought one loses money.
How to get Inquisitor's great helm
Only The Nightmare (1/420) and Phosani's Nightmare (1/700) drop Inquisitor's great helm.
Dropped by
| Monster | Rarity | Quantity |
|---|---|---|
| The Nightmare | 1/420 | 1 |
| Phosani's Nightmare | 1/700 | 1 |
Inquisitor's great helm price history
Daily averages rolled up per month, newest first.
| Month | Average | Low | High | Volume |
|---|---|---|---|---|
| October 202612d | 91,596,736 | 78,780,002 | 105,177,721 | 2,026 |
| September 2026 | 75,403,170 | 69,435,611 | 81,071,248 | 3,967 |
| August 2026 | 85,348,909 | 75,381,248 | 92,237,881 | 5,411 |
| July 2026 | 75,966,208 | 68,051,799 | 89,997,921 | 7,198 |
| June 202621d | 67,814,074 | 49,733,113 | 74,088,165 | 5,272 |
| May 20262d | 49,380,203 | 49,063,774 | 49,696,632 | 152 |
| April 20261d | 48,853,376 | 48,853,376 | 48,853,376 | 57 |
| March 2026 | 44,824,971 | 39,845,030 | 49,132,657 | 17,548 |
| February 2026 | 37,020,200 | 33,608,428 | 40,765,033 | 16,277 |
| January 2026 | 33,467,671 | 26,740,884 | 40,043,104 | 17,856 |
Across 10 months of recorded prices Inquisitor's great helm ranged from 26,740,884 gp in January 2026 to 105,177,721 gp in October 2026, measured over 218 trading days.
The 30-day average of 83,307,967 gp sits in the upper third of that range.
All prices in gp. Volume counts units traded across both sides of the Grand Exchange.
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