Lhín notices one person deep within the cluttered building. They are invisible to normal senses.

<One! There!>

"One of them is invisible over there!" And if the assassin is invisible, there's no cost to blinding her allies, so...

Silent Image, a perfect sphere of darkness overlapping the invisible person. Who can probably see through it promptly, but will have to do that. "Inside the darkness!"

Four blood red giant mantises appear from nowhere within the building. Each one is seven feet tall and fifteen feet long. Most of the clutter breaks and crumbles before their enormous forms. Only barely do they fit inside.

Fly.

Something moves over the guards at great speed and out the door.

<Flew! Spell! There!> Lhín points towards the door.

Giant mantises. Of course. What would the red mantis assassins do but summon huge red mantises. Why did she expect anything else. And of course they react too quickly for her spell to do anything useful. Sigh.

"That one cast a flying spell! She went out the door!"

The first mantis claws into a guard and pulls them into the air. It tries to bite a chunk of flesh out, but its teeth only manage to scratch the guard's armor.

The second mantis picks another guard up and slices into them. Its bite also doesn't get past the guard's armor.

The third mantis misses both of its attacks.

The fourth mantis carves another guard open and pulls him up. It aims its bite around the guard's armor and tears flesh out.

"If she can fly she's third circle! Watch out!" Cressida discharges the dazzling blade. The mantis is unaffected.

She blurs forward and carves the first giant mantis clean in half. Her two strikes are even faster than those of the marines. The mantis fizzles away into nothing after she kills it.

The guard's third circle wizard does not enjoy the sight of giant mantises. Dispel magic.

The three remaining giant mantises cease to exist!

The wizard with locate object up points behind them into the sky. "That way! They're flying away."

The hippogriffs dive at full speed. They cover a large area around where the wizard could have pointed. One of them collides with an invisible creature. "There!"

The marines blanket the location where they think the invisible creature is in arrows. Unfortunately, it's quite hard to aim at something you can't see while avoiding a huge crowd of guardsmen. They don't land any hits.

Fifty guardsmen fire their crossbows. A veritable rain of bolts ascends into the sky. Two bolts hit. The invisible creature shakes them off. They don't seem to do much.

The Church of Sarenrae is quite tied up with the blood veil. Even so, they found room to send the guard a cleric for this operation. Sarenrae can give the Light domain and when you're hunting invisible assassins this can be very useful.

Faerie fire.

A tall pink-haired woman floating fifteen feet in the air is now outlined in a pale green glow. It's practically impossible to miss her.

Fifteen feet in the air means she has one chance. Lhín is next to her, so a tap to set up a Dazzling Blade on the pinch she was holding. Dash out the door, and—

Color Spray?

The vivid light of color spray washes over the flying woman. It doesn't seem to affect her.

Lhín doesn't have the longest reach. Attacking someone who has... arms... is dangerous, because it means flying straight by their sweeping weapons.

Dazzling Blade doesn't need you to be right on top of whoever you're trying to blind. Being within a sword's reach is quite enough.

A Color Spray didn't work, but this might. Fly at full speed, right up next to her. Release the Blade, letting its light shine straight into her eyes. How is she looking?

She's blinded by the glimmering metal!

Cinnabar flies up twenty more feet and then a hundred feet down the winding tunnels of Bridgefront. The blindness is preventing her from moving at full speed.

The marines send a volley at her! Six of their arrows spike into her. She's wounded now.