|Age||Approx. 93 moons (7.75 years) at death|
|Cause of Death||Mysterious illness; kidney failure|
|Last Post||ShadeClan's History|
|Medicine Cat Position|
Þórarinn was a black-and-white tom with odd eyes. He was a healer of ShadeClan, having succeeded Ragnfríðr in her role, following her death. The tom mentored Sparrownose before his own passing, after slowly losing his health to an unknown illness.