Here is the full list of all 38 Tooth and Tail achievements.
Complete the Heroic objective in "To the Ends"
Complete "To the Ends"
Complete the Heroic Objective in "Hollow in the Gut"
Complete the Heroic Objective in "Fuel of the Firebrand"
Complete the Heroic objective in "46 South Dockside"
Complete the Heroic objective in "Black Sledge Uprising"
Complete the Heroic objective in "The Bonepit Riots"
Complete all Heroic Objectives
Get all Achievements
Complete the Heroic objective in "Snikaree Liberation"
Complete the Heroic objective in "The Siege of Ragfall Road"
Complete the Heroic objective in "The Sand Kiln at Levacaloo"
Complete the Heroic objective in "Scrapetown Cutpurse"
Complete the Heroic objective in "Scrapetown Racket"
Complete the Heroic objective in "The Hungry Face a Stiff Wind"
Complete the Heroic objective in "Frozen in Noe"
Complete the Heroic objective in "Howling Vell"
Complete the Heroic objective in "Defense of the Cold Mark Lows"
Complete the Heroic objective in "Betrayal at Vacancee"
Complete the Heroic objective in "The War for Meat"
Complete the Heroic objective in "What Might Be"
Complete the Heroic objective in "Bonepit Exile"
Complete the Heroic objective in "Awash in Salawa"
Complete the Heroic objective in "Vacancee Downfall"
Complete the Heroic objective in "Sage Marro Speaks"
Complete the Heroic objective in "Swine, Inscribed"
Complete the Heroic objective in "Victors Will Feast"
Complete "The Hungry Face a Stiff Wind"
Complete "What Might Be"
Complete "Victors Will Feast"
Advance to the Agitator checkpoint in Ranked
Advance to the Rabble Rouser checkpoint in Ranked
Advance to the Militant checkpoint in Ranked
Advance to the Firebrand checkpoint in Ranked
Advance to the Hero of the Hungry checkpoint in Ranked
Advance to the Great Provider checkpoint in Ranked
Advance to the Fury of the Feast checkpoint in Ranked
Win 100 matches in Ranked