She almost stepped out of the void dimension then and there due to her concern for Alex, but she knew he would be angry at her if she did so, as it would be a breach of the trust he placed in her.
"As an older brother, let me demonstrate to you how it feels to see your mother get killed right in front of your eyes… Don't worry, I have experience in this field…"
The only problem that Amon had with swords, was that some types were short ranged which can be a major problem for a clover later on, who needs to deal with long range spear wielders.