At dinner, Mallory was very suspicious that Alex was a spy sent by Loki, but was angry at Halfborn when he called Alex an argr, defending her
Alex brought Halfborn shards of broken pottery to make a Vanir dragon collage for Mallory, and called him a romantic after he clucked him under his chin. Alex guarded Halfborn’s door to make sure Mallory didn’t get in, so his surprise wouldn’t be ruined. Alex later complemented Halfborn and Mallory, saying that they were so cute together it made him sick. Later, when Alex was in Muspellheim facing Surt, Halfborn came to help her with the others. Alex was also happy when Halfborn realized that she was female.
and Halfborn Gunderson. Alex was not happy to meet her and threw insults at them, angering Mallory, making her afraid that she would destroy the hotel, calling him a demon. Alex and Mallory later met formerly, and Alex promised not to kill her unless she had to. Mallory was also the most confused when Alex said that he was a she, and almost started arguing, and was angry when Alex and Magnus stood in the battlefield chatting instead of fighting. The next day, Mallory watched Alex to make sure she didn’t try anything.
In The Ship of the Dead, they were both on the Quest to stop Naglfar from Sailing, and were both friends at that point. Mallory liked the name Alex named the ship and told her that she loved it. Mallory and Alex also put up the mooring lines up together when they arrived in Norway. Alex also defended Mallory later, saying that she did the right thing by killing the thralls.
In 9 from the Nine Worlds, Alex helped Halfborn make a surprise anniversary present first-rate web site to study for Mallory and kept it a secret from her. Alex mentioned how she would rather face a dragon than Mallory, because she could get angry. Alex also complimented Mallory, saying she and Halfborn were so cute together it made her sick. Mallory later rushed to Muspellheim with the others to help her when they found out she was facing Surt.
Mallory and Alex met when she welcomed Alex to Valhalla with Thomas Jefferson Jr
T.J and Alex met when T.J, Halfborn Gunderson, and Mallory Keen, visited his room to welcome him. Alex yelled insults at T.J and then turned into a cheetah. However, T.J was the least angry about it. When T.J met Alex the second time, T.J pointed a rifle at her (in weasel form) and threatened to cook her, and Alex told him to put the rifle down or he’ll wrap it like a bow tie. T.J laughed and introduced himself and everyone politely, and Alex promised not to kill him unless she had to. T.J also called her she and respected her pronouns, and wasn’t confused like Mallory was. However, T.J was still scared of the child of Loki, and told Magnus to keep an eye on her, since he didn’t want to get killed by her. T.J was also suspicious of Alex after she ran away from the, after battle, letting them get killed.
By The Ship of the Dead, the two had become good friends and trusted each other. Alex ended up going to York with Magnus and T.J to find Hrungnir. T.J helped Alex set up supplies in the pottery studio and get clay. Alex and T.J argued about what song they should play on the radio, but they both agreed to play Duran Duran. Alex also told T.J about duality masks and the two spirit people in Mexico. T.J also quickly corrected himself when he said the world argr, because he knew Alex didn’t like that term. The next morning, Alex and T.J joked around and both agreed that they weren’t going to kiss Magnus. T.J and Alex ended up fighting Hrungnir the next day, and he told Magnus to help Alex, showing how much he cared about her.