If Greenwood has the Technomancer Unique Skill, and he is a Light elf like Alma. Then the Alma POV's is a Time-skip in a Pre-skip. Greenwood met Alma and used his/her Endless Mana unique skill to power those robots. If he tells Alma about them and lies saying that there evil, that mean Alma's 'Main Character' scenario will activate and turn into a Shounen Protagonist.