Brooch of the Clan Leader, required to activate new Clan Skills:

Clan Recall (3 Blood Oath)
Clan Celestial Aegis (5 Blood Oath)
Clan Rush (5 Blood Oath)
Clan Summon (5 Blood Oath
Clan Purity (7 Blood Oath))
Clan Noblesse (15 Blood Oath)

<Equip Condition>
For Clan Leader.