Who was killed by Floki?

Who exactly was killed by Floki? Was it a person of significant historical importance, or someone less well-known? Was this individual a friend, foe, or perhaps a neutral party? Did Floki act out of self-defense, revenge, or some other motive? Did this killing have any lasting impact on the course of history or Floki's personal journey? What are the circumstances surrounding this tragic event, and how did it shape Floki's character and legacy? Could you please elaborate on these details to help me understand the full context of this question?