Sundfehr is a level 9 rare monster that spawns every 2 hours at xx:00 server time. It spawns in Fjolarok, to the right of the crabs. It has an abundant amount of health for its level, and for that it's considered a mini-boss by lower-level players.
Like every rare monster, Sundfehr drops magic or higher rarity items, and it is advisable for low level players to kill it in groups, to prevent deaths and to allow more players to get the high rarity gear.
Sundfehr is speculated to be associated with the Festival of the Sun for several reasons: