He's not a troll, he knows it's a useless spec. Note the part where he apologizes for wasting everyone's time? Yeah, it's just a novelty spec. On the subject, if you manage to get to 13.5k MP and sac a felhunter you can literally spam incinerate forever without losing any mana. Useless? You bet-ya. Hilarious? Oh god yes.
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"I am the mother of Odin's stallion, Sleipnir. I am the father of Fenrir Sun-Eater, and of Hel Half-Rotted and of Jormungund the World-Serpent. I am Loki Scar-Lip, Loki Skywalker, Loki Giant's Child, Loki Lie-Smith. I am Loki, who is fire and wit and hate. I am Loki. And I will be under an obligation to no one."