updated
15G
A Wolf in Sheep's Clothing
Kill 25 enemies while staying cloaked.
This achievement /trophy can be obtained after the Sky World Journey mission in Tyranny of King Washington episode one: The Infamy. In said mission, Ratohnhake:ton is awarded Wolf Cloak, which gives him the ability to become invisible for a period of time.
To unlock, simply kill Bluecoats while the cloak is active. After 25 are killed, the award is given.