Talk to the Forsaken Scientist

Bring her the following items:

500 Transparent Plate #7355

400 Used Iron Plate #7319

200 Iron #997

200 Rusty Screw #7317

100 Lantern #1041

50 Cogwheel #7093

50 Research Chart #7347

1 Welding Mask #2292 (See below for steps)

Welding Mask Quest:

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Talk to the Blacksmith

Bring him: 50 Steel #999 and 2.000 Zeny

Talk to the Forsaken Scientist

to enter the Silver MvP Lab

Once she gives you your pass, you'll need to talk to her

every time you want to go into the Silver MvP room.