Build wonder prestige 3, upgrade 10 times (Resources required: level 3 prestige hospital, level 3 prestige military tent, level 3 prestige sawmill, 1.96 million wood, 18 prestige bandages, 494L mithril).

The requirement to upgrade to Prestige 4:

Upgrade castle 10 times (resources required: wonder prestige level 2, 13.3 million food, 13.3 million wood, 1.25 million iron, 400 prestige badges).

Build Wonder Prestige 2, Upgrade 10 times (Resources required: level 2 prestige wall, level 2 prestige farm, level 2 prestige depot, 1.1 million iron, 9 prestige badges).

The requirement to upgrade to Prestige 3:

Upgrade castle 10 times (resources required: 7.73 million wood, 7.3 million food, 695k iron, 44k mithril, wonder prestige level 1).

Build wonder prestige 1, upgrade 10 times (Resources required: level 1 prestige wall, level 1 prestige wood mill, level 1 mithril mine, level 1 prestige iron mine).

The requirement to upgrade to Prestige 2:

Upgrade Castle 10 times (Resources required: wonder, 4.43 million wood, 4.43 million food, 422k iron, 27k mithril, 100 prestige badge).

Build Wonder (requires: level 30 castle, level 30 farm, level 30 wall, level 30 wishing well, no resources).

Now, Let’s look at the Preconditions or Requirements to upgrade to prestige castle in Clash of Kings, The requirement to upgrade to Prestige 1: In Clash of Kings, the castles from level 31 to 36 are called Prestige castle.

Castle requirements clash of kings