Narnia

Harry on arrival was de-aged, he was an eleven-year-old self and it was not funny.

This is also the first time Harry met his adopted father, Aslan who was in the form of a majestic Lion.

Harry caught a glimpse of the golden mane and the great, royal, solemn, overwhelming eyes; and Harry found he couldn't look at him and went all trembly.

Then Aslan spoke up" Welcome Harry Potter, son of Merlin and Companion of Death"

His voice was deep and rich and somehow took the fidgets out of them.Hadrian broke out of his shocked state and giving a slight bow asked"Lord Death told me about a friend."

Aslan hummed and said, "Come walk with me, child."

Harry nodded and walking through the meadow,Aslan spoke up"You have faced many trials and betrayal,my child.But I must tell you Narnia,is not peaceful right now."

Hadrian spoke up"I can help."

Aslan laughed and replied"I understand your good intentions,but this is different Narnia needs new kings and queens."

Aslan saw confusion in Harry,so he explained everything happening Narnia,how it was created and how the Jadis, an extremely powerful sorceress ,Originally from the World of Charn, she was accidentally brought to the World of Narnia  on the day of its creation. Although she was banished to the North by Aslan , she returned 900 Narnian-years later, and usurped the throne from the original royal family of Narnia.

As a curse upon her Narnian subjects, she began the Long Winter, magically forcing Narnia into a hundred-year state of frozen snow and ice, which lasted all through her reign, thus earning her the title, the "White Witch". 

As an seeing Harry grim face,Aslan said"I watch over Narnia constantly, I do not choose to solve all of its problems for its inhabitants.From time to time I brings humans from Earth, both to help Narnia, and to teach those people important lessons."

Hadrian nodded and asked"So this is like prophecy."

Aslan nodded and replied"I know your dislike for them,but I only provide them with the tools the rest is upto them."

Aslan told Harry the prophecy"Wrong will be right, when Aslan comes in sight,At the sound of his roar, sorrows will be no more,When he bares his teeth, winter meets its death,And when he shakes his mane, we shall have spring again.When Adam's flesh and Adam's bone,Sits at Cair Paravel in throne,The evil time will be over and done."

Harry thoughts were broken by Aslan"You must rest for now,after that we will talk."

Aslan is large and terrifying Lion, but equally magnificent and wise, lion with kind eyes. He appears in different sizes to different people, although he himself never changes; as people grow in wisdom and character, they can perceive more of his greatness.

Aslan is very wise, and a powerful force for good, but as Narnians often say, "He's not a tame lion." He is dangerous, and an unconquerable enemy, but he is unquestionably good.

So Harry then took on the name Hadrian, he then started studying magic under Aslan and with time, he grown over his need to jump and rescue everyone.Also Aslan adopted Hadrian as his son and blessed him, which made Hadrian something akin to a demigod.

Among the Narnian this claim came as shock to many and one of them was Jadis, who tried to find Hadrian's identity.But couldn't, while Hadrian did cause trouble for Jadis from time to time, he didn't clash head on because Jadis was really powerful sorceress