Fight Death 13:
To face Death 13, use one of the six main? characters(Jotaro, Joseph, Avdol, Iggy, Polnareff, Kakyoin) and fight from the first to the fifth without losing a single match. The message “here comes a new challenger” will display before you fight Dead 13.

Trophies:

Bronze trophies
Crash and Burn – Down an opponent while they are Stand Crashed.
Mad with power – Down an opponent with a Super Combo.
Out of the Cage – Win one Ranked Match online.
Show and Tell – Upload replay data.
Strong and Attractive – Raise Mahrahia’s magnetic power to maximum level.
The Kid gloves are off – Down an opponent while in child form.
This is where you fall down – Down an opponent without using a Super Combo or Tandem Attack.

Silver trophies
Never saw it coming – K.O. N’Dool via Perfect in bonus stage.
Patty Cake, Patty Cake – Activate a Blazing Fists match.
Stardust Crusaders – Win a fight with 22 different characters.
The World is your Oyster – Counter a time-freeze.

Gold trophies
Standing the Test of Time – Complete Story Mode or Challenge Mode for any character on any difficulty without using continues.