Trust is the Key

Klaus in a sudden movement grabbed the alchemist by the collar of his tunic.

"No!!! Let him go!" Alexa ran there at the same time that her brothers jumped up to defend the Carcassone man. 

Iacintho pulled the Master while Narses pushed Klaus away. Alexa saw her husband propel like a spring back to Narses, but she had already interposed between them.

She stared at Klaus's chest, watching him gasp with contained fury, his fist still raised. Behind her, she realized her brother was still on guard.

"Is it true, Master Petrus? Is it true that Klaus is losing his humanity?" she asked over her shoulder.