Behind the blue aura of safety, Dwen turned her head to look at him.

"Mr. Data, what do you make of that blue aura?"

A few hairs shy of his body, a blue aura flashed beneath her hands.

These, buried in dark blue auras, were vampires, Susannah was quite sure.

In the distance behind them, the sun passed over Landsdrop and took on the blue aura of rain.

The blue aura of the Truth Spell continued to glow.

Conina looked back at the figure surrounded by the glowing blue aura.

Under the room's lights it shone with a faint blue aura.

They also appear to have a slight blue aura surrounding them.

Since that encounter he has gained the ability to identify Type-3 vampires with a blue aura.