He tried to avoid it as he shuffled a bit and still shoved the dart toward her upper arm.

(Well Lazi can't hear right now (Earplugs) so maybe one of your characters could sneak up behind her Scout?)
Lazi dodged it, backing farther away from him.
"There is no way I'm coming with you, that's a death wish," She moved farther away from him, trying to get some distance.

He didn't let any distance come, he stayed close but wasn't sure how to get the dart in if she kept moving.

Kenzie sneaks up behind her, careful to not make any more noise than normal. She grabs onto Lazi, keeping her still long enough for Kris to get her with the dart. Hopefully. She knew enough hand to hand tactics that she could take Lazi on even with Lazi having the knife.

Lazi jumped, surprised by the hands on her shoulder, "What the," She mutters trying to break free.
"Curses," She swings wildly at Kris with her knife, trying to keep him back.

He quickly tried to grab her wrist, although getting cut. His other hand shoved the dart at her upper arm again.

Kenzie changes her grip so that she is holding Lazi's wrists so that she couldn't hit Kris with the dagger. Sure, Kenzie was opening herself up to a headbutt or kick, but it was better than having Kris get cut open with a dagger.

Lazi yelps when he grabs her wrist and tries to back away, stumbling against Kenzie. The dart hit the mark though, going in her lower arm.
"Ow," She mutters quickly pulling it out, "I'll kill y-you," She yells before falling forward against Kris, already asleep.

He bends over and keeps her from hitting the ground. "Thanks, I needed that help." He said to Kenzie.

"Any time. What are friends for? Well, if not friends, than what are companions for?" Kenzie says, not sure how Kris saw her. "Let's get her secured so she doesn't try anything again." Kenzie suggests.