 The game 's 15 missions take place in large levels that can be confronted in multiple ways . Guards may be knocked out with a blackjack or killed with a bow or sword , and their fallen bodies may be picked up and hidden . In addition to human enemies , the game features security automatons and surveillance cameras . While completing objectives such as <unk> and blackmail , the player steals valuables that may be used to purchase thieving gear between missions . The player 's main tools are specialized arrows , including water arrows to douse lights , moss arrows to dampen the player character 's footsteps and rope arrows to reach higher ground . 
