He who speaks through trees

Name:He who speaks through trees/?
Age: 944
Race:Argonian
Affliction: Vampire
Description: coverd in dark green scales with a series of small horns across his head.
Skill set: Speechcraft:(10.0) Alchemy (10.0) Sneak (10.0)
Personality: Quiet, Inquisitive, with little to no conections with anyone(including family)
Biography: He who talks through trees was named because once he licked the naming tree in Blackmarsh he would only speak if he was behind a tree. He was born at 2E 585. In the year 2E 680 He who talks through trees was thought to die by highway men and his funeral was in 2E 681. Yet He who talks through trees reappears in 2E 854 as a legate in the Legion who saves general Talos, he later dies in 2E 884 by slipping into a river and belived dead. He appeares again in 3E 433 He who talks through trees passes through cyrodiil back to blackmarsh. Later in the fourth era bands of dawnguard are slaughterd thought skyrim as well as various vampire and werewolf clans mostly killed by blunt force, burns stab wounds, frozen, one was even buried, according a single survivor acount it was done by a flying man dragon. The man was considerd insane and killed by the treasure hunters who found him. Informaion courtesy of The Skytower News Article He Who Speaks Through Trees Immortal

Notes: He who speaks through trees is always wearing a once black robe and hood that is almost as old as him.
PoB: Interior of Blackmarsh

Your bio is not very descriptive and hardly tells anything about how trees became a vampire or how he learns the dragon shouts. If you want to have both of these you need a better explaintion,