d647950c_d___Game_Guide_and_Walkthrough__BONE_CHARM_PROPERTY
[BONE CHARM NAME] Welcoming Host [USEFULNESS] You can ignore this charm unless you like using the power of Possession frequently. [BONE CHARM PROPERTY] 
The power of Possession lasts longer.
Bone Charms - list - Collectibles - Dishonored - Game Guide and Walkthrough
BONE CHARM PROPERTY