The Cross of Vidar Add-on for Northgard has 34 achievements.
Win with the Clan of the Lion
Achieve 50 Victories with the Clan of the Lion
Carry a Relic into enemy territory
Control 5 forts or more
Revive 20 or more units at once
Raise an army comprised of at least 12 paladins
Build the relic of the clan of the Lion
Build the Codex Aureus
Build the Altar of Volvinius
Finish a Conquest with the clan of the Lion
Complete the first chapter of Cross of Vidar
Complete the second chapter of Cross of Vidar
Complete the third chapter of Cross of Vidar
Complete the fourth chapter of Cross of Vidar
Complete the fifth chapter of Cross of Vidar
Complete the sixth chapter of Cross of Vidar
Complete the seventh chapter of Cross of Vidar
Complete the eigth chapter of Cross of Vidar
Complete each of the bonus objectives in the first chapter of Cross of Vidar
Complete each of the bonus objectives in the second chapter of Cross of Vidar
Complete each of the bonus objectives in the third chapter of Cross of Vidar
Complete each of the bonus objectives in the fourth chapter of Cross of Vidar
Complete each of the bonus objectives in the fifth chapter of Cross of Vidar
Complete each of the bonus objectives in the sixth chapter of Cross of Vidar
Complete each of the bonus objectives in the seventh chapter of Cross of Vidar
Complete each of the bonus objectives in the eigth chapter of Cross of Vidar
Complete the ninth chapter of Cross of Vidar
Complete the tenth chapter of Cross of Vidar
Complete each of the bonus objectives in the ninth chapter of Cross of Vidar
Complete each of the bonus objectives in the tenth chapter of Cross of Vidar
Complete all of the bonus objectives in every chapter of Cross of Vidar
Complete Cross of Vidar in Normal difficulty (or above)
Complete Cross of Vidar in Hard difficulty (or above)
Complete Cross of Vidar in Extreme difficulty