Mystic smoke staff

The Mystic smoke staff is a members-only Old School RuneScape item — “It gives a 10% accuracy and damage bonus for spells on the standard spellbook.”. Its Grand Exchange buy limit is 8 per 4 hours. Right now it buys at 1,932,766 gp and sells at 2,003,893 gp — a net margin of 31,050 gp (1.6% ROI) after the 2% Grand Exchange tax of 40,077 gp. High alchemy yields 25,500 gp.

To flip it, place a buy offer near 1,932,766 gp and a sell offer near 2,003,893 gp; the spread minus GE tax is your profit. Confidence figures are model estimates from live OSRS Wiki prices, not guarantees — flip responsibly.