C3000 Superposition
The reason it was at level 2 was because the force field generator on him could only provide level 2 output. Diya himself was just a squad leader.
Their strength was only at the level of an elite Level 1 Supervisor. Since the Force Field Generator could provide Level 2 damage, it still took over the position of the team leader.
The force field generator limited his maximum output, but even so