Heaven is named once in the Beowulf Entity-02 summary, as the second party in a joint operation: A joint BEOWULF–HEAVEN action resulted in the destruction of the active host, fragmented COUNCIL-7 command, and secured both human-linked assets. The name is presented without explanation or elaboration — as if its meaning requires no glossing, as if whoever wrote the document considered it self-evident. In the context of a classified Beowulf intelligence summary, that assumption is its own statement.
What Heaven is, precisely — whether a formal organisation, a designation for a class of celestial authority, a specific body with operational capacity, or a name applied retrospectively to a phenomenon — is not established in the documentation available in Cambion. What is established is its operational footprint in the 191█–191█ period: it acted alongside Beowulf, it contributed to the fragmentation of Council-7 command, and the joint action was sufficient to force the Seven's withdrawal from overt surface operations for several decades.
The only character in the saga whose nature aligns with what the document implies by Heaven is Amy — the First Guardian, a fallen angel, present in Beowulf records since at least 1910 and active in the 1918 event. The connection is not made explicit. It is available to anyone who reads both documents in the same sitting.