Phosani's Nightmare

Should you fight this?

What you get out of Phosani's Nightmare, so you can decide if it fits your goals right now.

• One of the strongest solo gp/hr rates available if you can kill it consistently.
• Only source of the Slepey tablet (teleport to the arena) with a guaranteed drop by the 25th kill.
• Same Inquisitor's and Nightmare staff uniques as the group fight, but all to yourself.
• A genuine solo endgame skill check that proves your prayer flicking and prayer management.

Gear setups

Pick the setup that matches your bank. Every upgrade here links back to the Gear hub.

Strategy

1. 1

   It's a DPS race

   Phosani's rewards clean, fast kills and punishes slow ones. Prioritise a strong crush weapon and prayer bonus so you clear phases before the specials stack up.

2. 2

   Manage the spores and prayer drain

   Spores slow your attacks, and phase three can switch your prayers off. Keep restores handy and re-flick immediately rather than tanking hits.

Key mechanics

What can kill you at Phosani's Nightmare, and what to do about it. For the full breakdown, see the OSRS Wiki link below.

• Sleepwalkers

  Husks shamble toward the totems/altar; let them reach it and you take a big hit. Kill or intercept them before they connect.

• Parasites

  Parasites burst from you for heavy damage if not cleared. Attack them off quickly, especially when they stack with other specials.

• Prayer deactivation (phase 3)

  The fight can flick your overhead prayers off. Watch your prayer orb and re-enable protection instantly.

• Desperation phase

  Below the final threshold she spawns endless Grasping Claws and sleepwalkers. This is a burn check: have the DPS to finish before it overwhelms you.

• Slowing spores

  Spores add two ticks to your attack speed (doubled for magic). Move out of them rather than fighting at half rate.

Notable drops

Item	Rarity	Value
Inquisitor's hauberk Unique	1/1200	115m
Nightmare staff (orb) Unique	1/1600 each orb	—
Inquisitor's mace Unique	1/1800	305.4m
Slepey tablet Unique	1/25 (guaranteed by kill 25)	—
Little nightmare	1/1400	—

Drop probability by KC

For every Phosani's Nightmaredrop with a fixed rate, see the chance you’ve received at least one copy by your kill count. Sign in with a linked account to use your live KC.

Your Phosani's Nightmare kill count

Enter your KC to see the chance you’ve seen each drop at least once.

Drop	Rate	Chance by KC
Inquisitor's hauberk Unique	1/1200	—
Nightmare staff (orb) Unique	1/1600 each orb	—
Inquisitor's mace Unique	1/1800	—
Slepey tablet Unique	1/25 (guaranteed by kill 25)	—
Little nightmare	1/1400	—

These figures are an independent-roll estimate: they treat every kill as a separate roll at the listed rate ( 1 − (1 − p)^KC). Real drops can involve guaranteed rolls, point/invocation scaling or completion rewards, so the true odds may differ. A probability is never a guarantee — even far above 90%, the drop is never owed to you. Drops without a fixed 1/Nrate show “—”.

Frequently asked questions