Rageblade is a Warlord Set, it provides a boost to the ATK of all Warlord type creatures.
Rageblade I - Warlord +3% ATK:[]
Rageblade II - Warlord +5% ATK:[]
Rageblade III - Warlord +7% ATK:[]
Rageblade IV - Warlord +10% ATK:[]
Rageblade V - Warlord +15% ATK:[]