relationship_id,subject_entity_id,relationship_type,object_entity_id,confidence,rationale,source_id,review_status,period_id 3759,ENT_NOR_RATATOSKR,transmits,ENT_NOR_NIDHOGG,medium,Bears words between the eagle and Nidhogg.,SRC_PROSE_EDDA,reviewed, 7800,ENT_NORR_NIFLHEIM,dwelling_of,ENT_NOR_NIDHOGG,medium,Níðhöggr gnaws the root of Yggdrasil in Niflheim beside Hvergelmir (Gylfaginning; Grímnismál).,SRC_PROSE_EDDA,reviewed,