She is an attractive young woman who is both the leader of a terrorist organization called Hebi and Canaan's arch-enemy. Once Siam's apprentice and known as Canaan (カナン, Kanan?), she has since thrown away the identity, adopted her current name, and eventually had Siam killed.
On her upper left arm, a strange tattoo is worn, and it possibly is a half of a whole picture of a tattoo if combined with the tattoo on Canaan's arm. However, she amputated this arm during the last battle between her and Canaan, later coming to be known as "the one-armed woman".
Alphard is a chaotic and usually calm and collected individual, especially during her attacks. She shows no remorse towards her actions, even killing the man who was like a father to her without mercy. She doesn't seem to have any interest in a love life and disregards all 'friends' that she has.
While no one would really know, the emotion that drives her life the most is her absolute fear of what she committed. She is constantly hounded by the spirit of a man she killed; every time she turns around she sees a remnant of him. Her mind constantly replays events with this man to the point where she will make a vocal response to someone not there. Most people would assume she’s silent, but Alphard is actually trying to focus her mind on anything but what her mind is conjuring. While she is very alert to her surroundings when she needs to be, on the whole she’ll space out. These massive gaps of time where she stares at nothing can last for an entire hours and she sometimes tries to physically attack what she is dealing with. The best way to think of it is Alphard is someone who is straddling two different realities at once, one of which she wants to be free of.
The entire world goes on around Alphard, but she doesn’t really emotionally respond to it. Alphard can talk and acknowledge the world, but she doesn’t really seem to “feel” anything about it. Someone can (and has) confessed their love straight to her face and she can ignore it or simply demean it. She doesn’t really get mad, sad, jealous or scared. It’s comparable to say that she doesn’t really care about the consequences of anything she does. That’s not to say that Alphard can’t smile, she seems to take a certain delight in telling people how they are about to suffer because of her. While she may not use emotions, she certainly knows how people react to certain situations and thus makes preparations based on the emotion that someone is exhibiting. There are some emotions ( like love) that she doesn’t understand, though it seems that when someone is willing to die for the way they feel; she finds interest in the emotion and might research it in a subtle way.
There is one person who can cause Alphard to start to experience some severe emotions she has closed off, Canaan. She is obsessed with this person because she needs to prove that the power of her own hatred is the way to conquer the past. To that end, she pushes this person with test, mind games, and physical combat to try and propel her into the thick hatred that she herself is completed submerged in. There is no other person outside of her circle she’ll even acknowledge; in fact her own lieutenant takes a back seat when it comes to this person which becomes the trigger of her her insanity. The simple fact of the matter is Alphard sees the girl as the opposite of herself and wants to see if something so pure can be pulled into absolute hate. Both her and this girl were given the name Canaan ( the promised land.) but Alphard instead dubs her counter part with “your true name is despair.” She actually picked this up because it was her own name, it was said that she brought despair on anyone she targeted. In a gun sense this was very true, but Alphard really meant that as in “anyone you get attached to will share your despair”
This is actually something that Alphard is very proud of. She believes that her hate is a source of power and conquering it makes her extremely strong. The hate she feels comes from losing her chance to ever have a normal life. She learned to become a killer and nothing else. Realizing the emptiness of that fact, she killed the source of her hate. Another person took her place and was going to follow down the exact same path, but this girl was left alive. She uses her own hate to fuel her reason to cause destruction and gain control. It is the reason she can watch someone suffer and smile while it is happening, it also what had killed off her emotions. Since she has been corrupted by this feeling, she feels like everyone else is too. Since everyone has it, if she is capable of mastering the emotion then she’ll be better then those that are controlled by their own hate. This shows that Alphard is a complex and troubled person.
She appears easily capable of taking down Canaan even though the latter uses her synesthesia, reasoning that she is no longer manipulated by feelings unlike Canaan. She carries a FN Five-seveN USG as a sidearm.