Spectral sigil

The RuneScape Wiki also has an article on: rsw:Spectral sigil

Spectral sigil
Released							16 October 2014 (Update)
Members							Yes
Quest item							No
Properties
Tradeable							Yes
Equipable							No
Stackable							No
Noteable							Yes
Destroy							Drop
Examine							A sigil in the shape of a spectral symbol.
Values
Value							750,000 coins
High alch							450,000 coins
Low alch							300,000 coins
Weight							3 kg
Grand Exchange
Exchange							65,780,505 coins (info)
Buy limit							5
Daily volume							11
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Advanced data
Item ID							12823

The spectral sigil can be attached to a Blessed spirit shield to make a Spectral spirit shield. To attach the sigil to the blessed spirit shield, players need 90 Prayer and 85 Smithing. Alternatively, players can ask Abbot Langley to attach it for 1,500,000 coins. It is a rare drop from the Corporeal Beast.

Products

Item		Members	Skills	XP	Materials
	Spectral spirit shield		90 85	1800 0	1 × Blessed spirit shield 1 × Spectral sigil
	Spectral spirit shield		None	None	1 × Blessed spirit shield 1 × Spectral sigil 1,500,000 × Coins

Item sources

For an exhaustive list of all known sources for this item, see here (include RDT).

Source	Level	Quantity	Rarity
Corporeal Beast	785	1	1/1,365