you also can get a second trophy at the "Bellum" boss
- the second Boss "Bellum" awaits you at level 20
- make sure that you've enough credits to buy the "Afterburner" (3000 credits) and the add on "Quantum Shift" (2500 credits) before you reach level 20
- at the boss stage activate the "Afterburner" with the R1 button (hold it) and rush through the boss (trophy directly will pop up)
- then defeat "Bellum" for the second throphy