Magical tools masters normally can't use magical tools, but Roji realizes that Rio used one to protect Bico. Meanwhile, Muhyo has collapsed after exhausting his ren, leaving him in a dangerous condition of mental numbness... the exact moment Rio has been waiting for.
your contract with that 
messenger is permanent.
عقدك مع الرسول دائم
macht den Vertrag mit
dem Boten unwiderruflich,
tu contrato con el mensajero
es permanente.
devient le mal incarné.
per stipulare un contratto permanente
con quel messaggero.
seu contrato com esse
mensageiro se torna permanente.
и сделка с посланником будет вечной.