Healing Paws: She can heal and bring cats back to life, even if they are nothing but bones.
Heroic BSOD: She suffers from these frequently. The most notable one occurs after she watches Gaypaw get raped. Others include after Phantom kidnaps Chocolatekit and after Chocolaterain tells her about Gaysparkle torturing Sunsetshine's kits.
"You'll never be a good warrior, but I will be, and some day I will rule the forest with an iron paw and every one will bow to my every whim and will, and you will all be my slaves!" Lilypaw hissed loudly, but no one seemed to hear him or care about what he was saying. They were all oblivious to the impending threat!
Healing Paws: She can heal other cats like this, though not to the extent of Moonshimmer.
Last Het Romance: After her first mate dies and her second mate betrays her for her evil brother, she decides she's had enough.
"I guess tom cats are not right for me. I mean ever since Gaysparkle left me with Awesomekit I never wanted to go near another tom cat again and now I have realized that this is because I love SHE CATS!"
Love Makes You Evil: Briefly in Chapter 19 when she decides it doesn't matter if her loved one is really a cat from the Dark Forest. When Moonshimmer indicates that she will still try to kill Demonica, Tranquildream attacks her.
Not Good With Rejection: After Gaysparkle sees Deathstar kissing Ancient, he has multiple emotional breakdowns until he goes completely Ax-Crazy and decides to kill Deathstar and rule the entire forest himself.
Rage Against the Reflection: He has one of these in "The Day of the Orchids", when his reflection tells him to not use his powers for his own gain.
Start of Darkness: The spin-off short story, "The Day of the Orchids" explains how he decided to use his powers for his own gain.
Took a Level in Jerkass: He dumps Tranquildream for her evil brother, devastating her and leaving Awesomekit without a father. He then proceeds to try and do as many evil things as he can to impress Deathstar, including ripping off the legs of kits.
A rogue cat who Moonshimmer falls in love with. Is Vanillastar's brother.
Back from the Dead:His alter ego Ancient makes Lilyblossom get Moonshimmer to bring him back to life. It is unknown how he died in the first place.
Bi the Way: He falls in love with Deathstar after Moonshimmer betrays him. Likely has something to do with his alter ego Ancient.
Dimensional Traveler: It appears he is able to travel between the Dark Forest and the waking world at will.
Healing Paws: He can heal cats by touching them, similar to Moonshimmer and Tranquildream.
Mysterious Past: He was once the leader of DiamondClan until his clan turned against him. It's not said why his clan turned against him, why he was in DiamondClan while his brother was in SapphireClan, or how and why he was in contact with his brother afterwards.
Not Good With Rejection: Moonshimmer goes off with Vanillastar after thinking Phantom has left her. In response to this, Phantom doesn't come in contact with her until her kits are born, and then kidnaps one of them. He then brainwashes the kit to hate his family, joins up with Lillyblossom, and tries to kill Moonshimmer.
Parental Incest: He becomes mates with Moonshimmer. She doesn't tell him he's her son though until after he gets her pregnant.
Year Inside, Hour Outside: He grows up from a newborn kit to a young warrior in only a few weeks due to being in the Dark Forest.
A warrior of SapphireClan that can't seem to decide if they're male or female. Is the father of Moonshimmer, Tranquildream, and Lilyblossom.
Dark Secret: That zombie-zombie-Jasminedung is the father of their kits.
Gender Bender: Is female in the allegiances, but male in Chapter 1; goes back to being female in chapter 2. Is mentioned as being male again in Chapter 12, but later in the chapter gives birth to kits, with a female as the father. In Chapter 14 reveals themself to be Moonshimmer, Tranquildream, and Lillyblossom's father, but goes back to nursing kits in chapter 16. Bonus points in that they are mentioned as male in the first sentence of the chapter.
"He [frolicked] towards the nursery den where Sunsetshine was in there nursing his kits."