Clan level can be raised. Raising a clan's level requires the following:
Level 1 - SP: 30,000; Adena: 650,000
Level 2 - SP: 150,000; Adena: 2,500,000
Level 3 - SP : 500,000; Item: Evidence of Blood
Level 4 - SP: 1,400,000; Item: Evidence of Determination
Level 5 - SP: 3,500,000; Item: Evidence 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
You can obtain Evidence of Blood by capturing the Bloody Queen in Dragon Valley.
To obtain Evidence of Determination, seek out Sir Christopher Rodemai of Giran.
To obtain Evidence of Aspiration, seek out Sir Gustav Athebaldt in the Town of Oren.
How to improve Clan Reputation.