the PatronusOne of the most powerful defensive charms known to wizardkind, the Patronus can also be used as a messenger between wizards. As a pure, protective magical concentration of happiness and hope (the recollection of a single talisman memory is essential in its creation) it is the only spell effective against Dementors.
In the actual year of the series (X793) Wendy has 14 years old, Sting and Rogue 21 years old, and Natsu and Gajeel´s age is actually unknown (probably between their 18 or 20 years old).
Answer: Yes, she died on Mar 12, 1998 at the age of 105. Question: How old was Rose when she was on the Titanic? Answer: Like many fictional movie characters, the viewer is not given their specific age.
An immortal, undead, nocturnal 25-ish year old. As for Harkon, he looks either on the bad side of his forties, or the good side of his thirties.