it is worth noting that , in trying to peacefully resolve their problem , the trolls had asked steelstrom the steel smith if they could use some machinery of his invention to clear the lake and they had approached bjorn the banker for finance to commence this project ; however steelstrom was engaged in important research on the manufacture of even deadlier swords ( the ultimate metal deterrent ) and bjorn found that his commitments towards the construction of the biggest beer hall there has ever been left him with no spare capital for unimportant projects .