While not everyone knows about this dark past of these pair of siblings, most that stand tall over the world knows about it.
To Katarina, her brother has always been her protector. To Boris, Katarina had always been the light that guides him in his darkest moment
She had never disobey her brother.
And he never had to give an order. That is because the reason why she did not disobey is not because she fears her brother. She loves him and respected him
She did not need to crave for attention with her brother because he always gave her the attention
And he showers her with all the love he could give. And he always protected her. After the Fall, with Katarina fast advancement, he thought he could put down his protection.
Katarina had grown stronger even more than him and he felt good and peaceful knowing that even without him, she would be safe.
Then Death Monarch appears. when it comes to Death Monarch, Boris was wary.