Upon the capture of Pyra and Mythra, Sam and Rex advice a plan to save them, at that time Sam discovered something in the files about Malos, revealing that he actually killed Sam's Father and took his blade as a trophy, and hid the truth from Sam and his mother, everyone was shocked at this, as Sam's blood Boiled with a sense Vengeful Rage

Rex: S-Sam?

Sam: Malos lied..... Dead in my face.....

Sam says with venom and heartbreak in his voice, clenching his fist so tight, it started bleeding