[Cruise Unmanned Firepower Flying Disc LV.3: 742/120 (Current endurance 80 hours, ammunition capacity 4000, maximum remote control distance 4000 meters, max range 2000 meters, max speed 240 m/s; can be upgraded)]
"Over seven hundred experience points, this can at least rise three levels!!"
Yang Yuan's eyes revealed a smile, he directly chose to upgrade.
Suddenly, the eight-meter diameter Firepower Flying Disc started to glow and then slowly expand.
Jiang Yiyi crawled at the door of the Safe House, her already large eyes widened, staring in shock at the increasingly large disc above.
Half a minute later, the Firepower Flying Disc finished upgrading, the diameter soared from eight meters to sixteen meters.
The thickness also increased from the original 1.2 meters to 2.4 meters.
