Capítulo 986: The Strength of the Head Keeper of the Palace

  'Haish' she sighed inwardly

She herself did not know what to feel about Loki. Sometimes she hated him. Sometimes, she admires him. 

She looked at the letters and then she decided to open it. She notices that Lukas is still looking at her

'You are not going to leave? You know, maybe to let me read the letter?' Lukas shakes his head and said

'If there is something in that letter that is harmful to Pandemonium and Death Monarch, then I would also report this to Death Monarch and accept the punishment'

There is also a veiled meaning in his word.

Lukas probably doesn't trust her. 

Maybe, Lukas thought that if she reads the letter and if the letter have some kind of plot and she was tempted, then it might spell trouble for Pandemonium

It is quite logical to think of such a thing. By now, everyone probably knows that Death Monarch would surely goes after Katarina