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Boss guides / Phosani’s Nightmare

Fira’s encounter library · Advanced

Phosani’s Nightmare OSRS gear, inventory & strategy guide

A practical starting plan for Solo crush · pillar and sleepwalker switches, with hazards to prepare for and an exact 28-slot inventory. Adjust equipment to your budget in the live armoury.

Recommended approachSolo crush · pillar and sleepwalker switches
Combat stylemelee
Encounter groupAdvanced

What you need before entering

Defeat the Nightmare once; learn the solo variant separately.

This guide is an orientation for the stated method. Confirm current requirements and practise mechanics before risking valuable equipment.

Phosani’s Nightmare weaknesses and hazards

Punishing specialsParasitesSleepwalkers

Use crush for the boss and parasites; switch to Magic for pillars.

Recommended fight plan

  1. Use crush for the boss and parasites; switch to Magic for pillars.
  2. Use the ranged switch for sleepwalkers. Learn exact phase timings; this orientation is not a substitute for practising them.

Exact 28-slot starting inventory

Solo crush · pillar and sleepwalker switches. Read this as a conservative starting bag, not a guaranteed trip length.

  • Trident of the swamp OSRS itemTrident of the swamp × 11 inventory slot · Switch
  • Mystic robe top OSRS itemMystic robe top × 11 inventory slot · Switch
  • Mystic robe bottom OSRS itemMystic robe bottom × 11 inventory slot · Switch
  • Occult necklace OSRS itemOccult necklace × 11 inventory slot · Switch
  • Rune crossbow OSRS itemRune crossbow × 11 inventory slot · Switch
  • Diamond bolts (e) OSRS itemDiamond bolts (e) × 2001 inventory slot · Ammunition
  • Super combat potion(4) OSRS itemSuper combat potion(4) × 11 inventory slot · Potion
  • Sanfew serum(4) OSRS itemSanfew serum(4) × 22 inventory slots · Potion
  • Super restore(4) OSRS itemSuper restore(4) × 66 inventory slots · Potion
  • Teleport to house (tablet) OSRS itemTeleport to house (tablet) × 21 inventory slot · Travel
  • Shark OSRS itemShark × 88 inventory slots · Food
  • Cooked karambwan OSRS itemCooked karambwan × 44 inventory slots · Food

Defeat the Nightmare once; learn the solo variant separately.

Equipment and budget

The interactive armoury recommends a curated, boss-appropriate equipment progression within the bankroll you enter. It also shows worn slots, item statistics, live quoted values and the inventory cost separately. It is not a maximum-DPS simulator, and it cannot verify your levels, quests, charges or unlocked travel routes.