The Warwizard came crashing into the dimly lit room, spotted the Battlemage across the room and declared: “I challenge you to a duel of sword and spellâ€
Title
Warwizard crepitans ad conclave infirme collustratum intravit...
Warwizard crepitans ad conclave infirme collustratum intravit, in diversa parte conclavis ‘Battlemagem’ conspexit et eidem denuntiavit: “Ad singulare certamen gladiis cantibusque te provocoâ€
Remarks about the translation
I've latinized the word 'Battlemage' adding to it accusative form with an ending -em.