Odin and Tyr meet Loki's son, the giant wolf Fenrir in battle but are both killed. Thor manages to kill the giant snake Jormungandr, but is poisoned by its venom, he takes nine steps, then dies. Heimdall battles with Loki in the sea and both kill each other.
In this piece, you can see Odin charging at Fenrir with his spear ready to strike. Behind him rides Tyr ready to assist his father. Next to Odin rides his other son, Thor, meeting Jormungandr in battle.