My Mortality isn't Zero
Cough, cough. The two black-garbed figures could only try to not breathe the smoke infused with black magic. Even if it wasn't dangerous to Larkin and Rumina, it might have adverse effects on them. Still, Larkin managed to draw out the attempt to make them ill by using his black mist to contain the magic.
The queen broke the glass panels and looked around the dissipating smoke. She only saw the archduke who finally descended on the ground that was dug deep by Machiav's attack. Rumina called out, "Larkin, who were those? They seemed to know you. Do you have knowledge of those gates that he spoke of?"