- The Little One if you choose to save Pavel despite his betrayal: "He'll live...so that's what forgiveness is...thank you, I will remember this."
- Not only sparing, but saving the Mama Bear on the surface after she's attacked by a pack of nosalises. Ten seconds before, you were fighting for your life against that very creature.
- While going into Polis, the Little One is disguised as a regular boy and will wave at one of the soldiers. The soldier responses with a small salute.
- While wandering the surface with the Little One, he'll at one point decides he wants to wear clothes like you. A minute or so later, he appears to show you his new outfit. It's the cutest thing ever.
- "Artyom... no need for that now."
- Even better, the achievement you get for earning this ending? Redemption.
- In the bad ending when D6 detonates and Artyom is having a flashback of all the important people in his life, he finally recalls his mother's face. It's bound to pull heart strings on anyone who's read the Metro 2033 novel as Artyom's inability to recall her face is one of his biggest sources of grief.
- It's all but stated that the Dark Ones were genetically-engineered by the Russian government to act as super soldiers. Yet after they were freed they wanted nothing but to learn about and establish communication with their creators. And in the good ending they pull off a Big Damn Heroes moment to save the Rangers at D-6. The beings created for war and violence chose instead to value life and forgave their creators; in fact, they forgive even in the bad ending.
- It's a small thing, but in Venice you can help a crying little boy be reunited with his lost teddy bear. His mother and him are genuinely grateful. Even in a bleak post-nuclear world, people are still people and life goes on.
Heartwarming / Metro: Last Light