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 Oath
Level 4 - SP: 1,000,000; Item: Blood Alliance
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 Oaths
Level 10 - Clan Reputation: 40,000; Clan Membership: More than 140; Item: 5 Determination of Blood
You can obtain Blood Oath by capturing the Bloody Queen in Dragon Valley.
To obtain Blood Alliance, 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.