Ahem. - Sallack comes from the word 'sack' that 'lacks' his true identity from an actual sack. - Sallack's hair is sensitive, and it triggers sudden hostility if poked. - He disguises himself as a sack in taverns and dungeons, hiding in plain sight. - Sallack's rather 'human' speech is toddler-like, grammarless and downright stupid. - He has no biological parents nor did he ever come from one. Instead, he physically manifested himself into a random sack that once had no changes.