d647950c_d___Game_Guide_and_Walkthrough__BONE_CHARM_PROPERTY
[BONE CHARM NAME] Strong Arms [USEFULNESS] One of the most useful charms for those operating in shadows. Allows faster movement between locations occupied by the enemy. [BONE CHARM PROPERTY] 
Choking enemies is faster.
Bone Charms - list - Collectibles - Dishonored - Game Guide and Walkthrough
BONE CHARM PROPERTY