Here is the full list of all 33 Sang-Froid - there are Tales of Werewolves achievements.
Survive a night with at least 3 buildings still full health.
Kill a Werewolf using only your traps.
Complete the third tutorial (3/3).
Complete the second tutorial (2/3).
Kill a Wolf using only your traps.
Complete the first tutorial (1/3).
Inflict damage to an enemy with a Fire Wall.
Kill a Grand Wolf using only your traps.
Survive a night without taking any damage (after December 6th).
Kill a Grand Werewolf using one of your traps.
Give the killing blow to a Grand Werewolf with a holy bullet.
Inflict damage to 5 enemies with a single Spike Trap.
Kill a Maikan Warrior using only your traps.
Save Adèle or the Hermit before half the timer runs out.
Survive a night with at least 4 buildings still full health.
Get a head shot from on top of a Watchtower.
Inflict damage to 8 enemies with a single Explosive Barrel.
Kill a Will O' the Wisp using only your traps.
Kill a Maikan Shaman using only your traps.
Reload your rifle in less than 3 seconds.
Save up 15 dollars.
Kill a Windigo using only your traps.
Intimidate a Windigo for at least 5 seconds.
Inflict damage to 6 enemies with a single Poisonous Bait.
Crush 7 enemies under a single Hanging Net Trap.
Survive a night with all 5 buildings still full health.
Use only silver weapons to kill a Windigo.
Inflict damage to 3 enemies with a single Ballista.
Inflict damage to 7 enemies with a single Mortar.
Save your brother's soul without hurting the host body.
Intimidate the Invisible Beast for at least 5 seconds.
Save Joséphine with Joseph O'Carroll.
Save Joséphine with Jacques O'Carroll.