Last Delve vault slot will not go above T1 reward

t1 slotT1 punched its ticket to the upper bracket after placing fourth in Group A of The International 10 group stage, Monday. The South Korean squad took out its final assnmentIn this simple mod all tier 1 weapons, the weak ones (SMG, Silenced SMG, Pump Shotgun, Chrome Shotgun and MP5 SMG from Counter-Strike) change their slot to