Where to continue the The Seven Deadly Sins manga

The Seven Deadly Sins by Nakaba Suzuki, 2012. The manga is complete at 346 chapters across 41 volumes.

• Season 1 (24 episodes): Continue the manga from chapter 104 in volume 13. The finale also pulls chapter 108 in early, ahead of chapters 104 to 107.
• Season 2: Revival of the Commandments (24 episodes): Continue the manga from chapter 198 in volume 25.
• Season 3: Imperial Wrath of the Gods (24 episodes): Continue the manga from chapter 273 in volume 33. The finale jumps ahead to chapter 285, skipping chapters 273 to 284.
• Season 4: Dragon's Judgement (24 episodes): You are caught up, the anime adapts the manga through chapter 346. The four episode Signs of Holy War special is an original side story and adapts no manga chapters.

Read the manga: Kodansha.