well i have had many tros and i know how to lvl one pretty quick this will take you about a month or so to do for a lvl 120 tro. well make a tro and get him p lvled to 60 or 70.(70+ is better) keep him in tg as much as you can till hes lvl 87-90 to where he can fight at bi.fight at bi till your lvl 97 when you get lvl 97 you will be able to go lab and fight gold ghosts.(with decent equips) you will fight at gold ghosts till your 110-112 after your 110-112 go to second floor of lab and fight ph damage monsters till 115 with xp pots.from 115-120 fight on what the scroll tells you to do (the scroll dilly by your health bar.) well there ya go and have fun. :)