How did Bernahl access the Flame

The lore for the armor reads that Bernahl’s maiden threw heralded into the fire, however, when we arrive at the foot of the forge the Fire Giant is still alive. How did he access the Giantsflame needed by his maiden?

The lore for the armor reads that Bernahl’s maiden threw heralded into the fire, however, when we arrive at the foot of the forge the Fire Giant is still alive. How did he access the Giantsflame needed by his maiden?