fairy tail: a mage Conqueror or Just Another Hero? ( paused)

a young man name Logan was hit by a truck. isekai de was transported to the world of fairy tail and being the only person alive to use a unique form of dragon slayer magic called 'undead dragon slayer magic' we're even his roar can raise the dead to fight for him will he is save the living from evil mages or will he just be another evil mage just wanting to f*** everyone else s*** up I apologize for any bad grammar English is not my first language also as contacts every member of the original characters of Fairy Tail except for gray have died gray is an old man now and the Guild Master of Fairy Tail and it has fallen into poverty and looks extremely Rundown