The richer the mine, the stronger the monster guarding it; this is common knowledge among any ordinary player. But when Siriel, an NPC, speaks of an "unimaginably powerful being," it takes on a whole new meaning.
Thunder Fire Dragon hurriedly asked, "What do you think the powerful creature in the lake is?"
Siriel said solemnly, "I sense a powerful Undead presence. In any case, retreat before alerting it!"
Everyone quickly retreated to the tunnel.
Thunder Fire Dragon continued, "Do you have confidence in dealing with it?"