Proper noun
(Norse mythology) A very powerful jotun (giant) and chief of Muspellheim, described in the Eddas as wielding a flaming (or shining) sword and as battling the gods and killing Freyr during Ragnarok.
(astronomy) A moon of Saturn. [Discovered 2006.]
Source: en.wiktionary.orgThe player eventually meets and defeats the Wolf-Man leader, Bear-Man leader, the four Jotun kings, a Demon Lord, and finally Surtur. Source: Internet
There the player meets his/her deceased grandfather, who instructs him/her to venture into the dungeons below, defeat Surtur, and reclaim his birthright. Source: Internet