Clan level can be raised. Raising a clan's level requires the following:
Level 1 - SP: 20,000; Adena: 650,000
Level 2 - SP: 100,000; Adena: 2,500,000
Level 3 - SP : 350,000; Item: Blood Mark
Level 4 - SP: 1,000,000; Item: Alliance Manifesto
Level 5 - SP: 2,500,000; Item: Seal of Aspiration
Level 6 - Clan Reputation: 10,000; Clan Membership: More than 30
Level 7 - Clan Reputation: 20,000; Clan Membership: More than 80
Level 8 - Clan Reputation: 40,000; Clan Membership: More than 120
Level 9 - Clan Reputation: 40,000; Clan Membership: More than 120; Item: 150 Blood Oath
Level 10 - Clan Reputation: 40,000; Clan Membership: More than 140; Item: 5 Blood Alliance
You can obtain Blood Mark by capturing the Bloody Queen in Dragon Valley.
To obtain Alliance Manifesto, seek out Sir Christopher Rodemai of Giran.
To obtain Seal of Aspiration, seek out Sir Gustav Athebaldt in the Town of Oren.
To obtain the Blood Oath, you must possess a fortress and prove that your territories are being protected.
To obtain the Blood Alliance, you must possess a castle and prove that your territories are being protected and your citizens are being cared for.
How to improve Clan Reputation.