Harry and Hermione and Ron enter the lake house looking for Snape but they see Allison covered in blood due to nagini

Harry: babe!

Hermione: little sis?

Allison: Harry? Hermione?

Harry: just- hold on for me, okay I'll try to heal you he tries to heal Allison but fails

Harry (again): I can't take your pain

Allison: it's because it doesn't hurt babe

Hermione starts crying seeing her little sister die in Harry's arm as Ron rubs hermione's back

Hermione: no you can't die lil sis