- He feuded with Hakon the Swimmer.
- Hakon responded by persecuting his kin and taking away their tradition position.
- Hahlgrim sued and received restitution.
- He then went into Skanthiland.
- When Hakon continued to persecute his kin, Halhgrim returned and slew him.
- He became a Wind Lord at the Oxhead Temple and met Ketil Ericsbane
- He fought in Hahlgrim's War until he was killed by thanes of Bolthor Brighteyes
Sources: Cult Compendium