(Well, considering she's a human with a demon messing with her she might go unconscious from it. But, yes. If you want her to go unconscious, then the hateful emotions would leave when she wakes up, which would be when Lucifer left. If you want her to be awake, then yes. Like she could get on Tessa for being a demon, Adrian for kidnapping her, for having made a deal with the devil and killing all those people, you get the gist.)
Tessa looked up from what she was doing on her bed. She looked at Jewel with a worried look on her face. She hadn't ever felt so much hate in a person. "Jewel, what's wrong? Where's Adrian?"
“Adrian? That idiot is waiting for me. Unfortunately I’m not going to show up. Now, isn’t it strange to become a part of this group yet be a demon. Now that is just embarrassing!” She exclaimed with a mocking laugh.
Jewel crossed her arms and smirked. “Nothing. What happened to you? You obviously look messed up, wait you are messed up! Nobody wants a demon in the bunker, now do we?” Jewel sneered.
That had actually been one of Tessa's biggest insecurities. "That is enough out of your little mouth," she said, getting off the bed and approaching her.
Adrian made it to Tessa's room. "Jewel, what's wrong, I thought you said you weren't feeling well."
(How about the shock of there being a demon in her finally catches up with her and she faints, and then when she wakes up those emotions are gone.)
Adrian looked at her then at Tessa. She shook her head. "I've never felt so much hate in a person," she said.
He looked at Jewel's eyes. They were cold and hard. "Jewel, this isn't you," he pleaded. "Lucifer's in your mind, he's making you feel this way."
Jewel started laughing evilly. “Well then, maybe I should take the offer Lucifer is giving me instead of sitting here in th-“ She was cut off as she fell to the ground.