For the Fated Lance, I'd recommend looking through all of your abilities, to see if you've overlooked or forgotten anything.
As for Lyle...
(Spoiler Buffer)
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You can slow him down, but you can't stop him from leaving.
That gives me some peace in mind, I've been trying to do a perfect run, I've even saved warrick when you say it's possible
Fuck you for making his death inevitable tho :')
Sorry to do this to you, but...
It sounds like you may want to look around chapter 10 a little more.