Older material sometimes calls this event Kingdom Clash. It’s not a separate third mode: by participant structure and shared point system, it’s the same Kingdom War, a.k.a. Kingdom War / KvK.
Every alliance on the server plays on one side against another kingdom. Allies on the same side don’t fight each other.
How a round plays out
- Sunday through Friday, kingdoms accumulate shared points through regular events;
- Saturday at 00:00, points are tallied and the attacking and defending sides are determined;
- from 00:05, the attacking side can travel to the defender’s kingdom;
- at 12:00, the Royal City’s and towers’ protection drops, and the fight for the city begins. It lasts up to four hours;
- at 24:00, the cross-kingdom extermination phase ends.
All times here and below are server time. It’s best to check the next round’s calendar in the event window: the sources found describe the structure of a single KvK week but don’t give a reliable general rule for how many weeks pass between tournaments.
When to put up a shield
If you’re not planning to fight, put up a shield before 00:05 on Saturday and don’t leave your city undefended until the cross-server combat phase ends. After 00:05, attackers may already be on the defender’s map; attacks on other kingdoms’ cities earn points, and an undefended city can lose troops and resources.
The shield matters for more than just the midday Royal City fight — the invasion opens earlier. If you’re not sure you’ll be able to log in before it starts, it’s safer to put the shield up before Saturday’s 00:00 reset. Pick the shield’s exact duration by its timer so it doesn’t expire before the combat phase ends.
Why some sources call it “Royal City Scramble”
Some translations call the Saturday city assault inside KvK “Royal City Scramble.” Context gives away the cross-server phase: members of one kingdom count as a single team there and attack only the other kingdom. On this site, Royal City Scramble is a separate, within-kingdom event where alliances on the same server fight each other.