This is how Brian and Stewie Rescue Ryan F-Freeman and how they Sacrifice to be in the Realm of Darkness in Super Thomas and His Hero Friends.
[Brian and Stewie are looking for Ryan F-Freeman are and they saw him]
Brian: Ryan! There you are!
And then Ryan F-Freeman grab their Necks and lift them up because Darkness is inside him
Ryan F-Freeman: Who... Am I?
Brian: Hey! Ryan! It's us! Stewie and Brian!
Ryan F-Freeman: Ryan... You say...
He let go of them and he struggles and then he Chuckled
Ryan F-Freeman: His heart has been taken over. Smothered by the Darkness within him!
[He attacked them]
Brian: Our Names are Batman Brian and Iron Stewie.
Stewie: Now returned our friends heart, or pay the price!
They are fighting
Ryan F-Freeman: You will sink into the abyss!
He summon a Guardian, they are fighting and he defeated him, then a light has surrounded him
Ryan F-Freeman: What? Stop fighting back!
Then he's unable to move
Brain: Ryan! We know you're in here!
Ryan F-Freeman is moving his arm
Ryan F-Freeman: That will teach you, Kamen Guts hater! Get out of my body!!!
[He brakes Vortech's staff]
[The Guardian has disappeared and Ryan fall into the Darkness, Brain and Stewie are gonna save him]
Brian: The Darkness won't have you!
They grab Ryan and going to the light, but the light is closing
Brian: We have to do something or else we'll be lost.
Stewie: How can we do that?
[Then they got an idea, they created a Barrier for Ryan]
Stewie: You're safe, Ryan. Help your friends.
Now they are falling into Darkness
Brian: You look after Meg now, Ryan. Peter, Lois, Chris, Tino, everyone. We're so sorry, we won't about to come back as soon as I thought.
Stewie: But we promise one day, we'll come back.
They fade into light