Sound of thunder

Sound of thunder is an achievement in Battlefield 1, worth 40 Origin points.

Requirements

Unlock all Codex Entries in Through Mud and Blood

Achievements
Campaign
Progression	Friends in High Places Nothing is Written Through Mud and Blood Avanti Savoia! The Runner The Great War The War to End All Wars
Collectibles	Catching up on some reading Enough for a library Putting in the effort Up to the challenge Master of adaptation Taking down giants All men dream Sound of thunder Conquering the mountains The hills of Gallipoli
Challenges	Triple Boluk-Bashi Up close and personal Mightier than the shovel Shock Wave
Multiplayer
Progression	Decorated Assault Enlistment Medic Enlistment Scout Enlistment Support Enlistment Corporal
Miscellaneous	Counter-sniper Play the Objective Warbonds Operations