A Book on Templar Methods
Broken Philters can be obtained by killing 3 Pride Demons in the Hinterlands. They are accompanied by a quite a few other enemies which can include terror and despair demons. They each drop a Broken Philter. One can be found wandering the area of the , another at and the last at The .
A Book on Templar Methods can be found beside Cassandra's Bed at the Skyhold Armory. If the Cassandra was forced to leave, the book can be purchased from the Val Royeaux Book Merchant.
Finally, return to Ser on the battlements at Skyhold. The Templar specialization will be unlocked.
Completing the Way Of the Templar will unlock the War Table Operation [].