The Rival Kingdoms: Ruination update is now available for download. With this update comes Stronghold 20 including many building upgrades in a terrifying new theme, a new Ruin themed kingdom map, new crafting recipes, a new 999 mithril cap, and more!

You can find the stats for each new building on their respective wiki pages below.

Troops

• Reaver

Buildings

• Stronghold - Level 20
• Watch Tower - Level 26
• Spell Tower - Level 20
• Catapult - Level 21
• Skywatcher - Level 18
• Primus Conduit - Level 18
• Bunker - Level 17
• Arrow Launcher - Level 16
• Flare Tower - Level 14
• Poison Fountain - Level 6
• Air Beacon - Level 6
• Ground Beacon - Level 5
• Walls - Level 18
• Rampart - Level 5
• Gold Storage - Level 20
• Gold Smelter - Level 18
• Troop Portal - Level 12
• Kingdom Portal - Level 18
• Dragon Roost - Level 12
• Alchemy Workshop - Level 11
• Astronomy Tower - Level 4
• Barracks - Level 12
• Blacksmith - Level 22