It's Called Borrowing

<These complex blueprints detail Thurgaden's designs for his weaponry, but are hard to parse. Notes are scribbled in the margins in messy handwriting, listing modifications and notes Thurgaden left for himself. Two notes in particular stand out to you. One denotes that he lent his engraving tool to the core hound trainer Kasea Angerforge, and the other wonders how many elementals they employ at the Grim Guzzler brewing operation.>