Ironically, it is Toki, who is with Skwisgaar and Pickles, who gets drunk.
The armor that Selatcia wears, which is shown in General Crozier's visions, is similar to the armor Nathan wears in the beginning of the season one episode "Dethwater".
Nathan (To the Metal Masked Assassin): "That's my bread and butter you're f***ing with"
This exact same quote was said by Ofdensen to the Metal Masked Assassin in the season one finale, The Metalocalypse Has Begun.
In this case, Nathan knocked out the Metal Masked Assassin while saying the quote, to save Ofdensen.
Angela Gossow, lead singer of band Arch Enemy returns to voice Lavona Succuboso.
George "Corpsegrinder" Fisher, lead singer of band Cannibal Corpse returns to voice the Metal Masked Assassin.
This episode aired as a special 30 minute double episode with Black Fire Upon Us (Part 1)