11Q13, also 11QMelch or the Melchizedek document, is a fragmentary manuscript among the Dead Sea Scrolls (from Cave 11) which mentions Melchizedek as leader of God's angels in a war in Heaven against the angels of darkness instead of the more familiar Archangel Michael.
Its interpretation is that He] will assign them to the Sons of Heaven and to the inheritance of Melchizedek; f[or He will cast] their [lot] amid the portions of Melchize]dek, who will return them there and will proclaim to them liberty, forgiving them [the wrong-doings] of all their iniquities.
[And h]e will, by his strength, judge the holy ones of God, executing judgement as it is written concerning him in the Songs of David, who said, ELOHIM has taken his place in the divine council; in the midst of the gods he holds judgement (Psalms lxxxii, 1).
Selah (Psalms lxxxii, 2), its interpretation concerns Belial and the spirits of his lot [who] rebelled by turning away from the precepts of God to ... And Melchizedek will avenge the vengeance of the judgements of God... and he will drag [them from the hand of] Belial and from the hand of all the sp[irits of] his [lot].And all the 'gods [of Justice'] will come to his aid [to] attend to the de[struction] of Belial.
This is the day of [Peace/Salvation] concerning which [God] spoke [through Isa]iah the prophet, who said, [How] beautiful upon the mountains are the feet of the messenger who proclaims peace, who brings good news, who proclaims salvation, who says to Zion: Your ELOHIM [reigns] (Isa.
In truth ... will turn away from Belial... by the judgement[s] of God, as it is written concerning him, [who says to Zion]; your ELOHIM reigns.