This time, the guns’ rune lines numbered close to Karthika’s. Karthika had been a powerful Enlighter, but most of his power had been embodied in his tamed beast. Despite that being the case, he had still been a true Enlighter.  

This gun was already powerful enough to threaten someone at the level of an Enlighter. However, for it to reach the level of the upgraded Money Bomb where it could kill an Enlighter in one shot, further upgrades were required.  

The gun had already been upgraded ten times, and the eleventh would cost Lu Yin more than 4,000 star essence. Lu Yin’s blood froze when he realized this, as the expenditure was becoming far too great. 4,000 star essence was the equivalent of forty billion star crystals, and that was at the lowest exchange rate. It was practically impossible to exchange forty billion star crystals for 4,000 star essence. 

Such an extravagant amount, when changed into Universal Currency, would be enough to support the entire Great Yu Empire’s military budget for a whole year. In other words, it meant that Lu Yin had just casually spent a year’s worth of the Great Yu Empire’s military budget. 

“It’s a good thing that I didn’t place much hope in making money off of the Great Yu Empire. Even utilizing every single cent within the Great Yu Empire wouldn’t be enough for a single upgrade,” Lu Yin mused to himself. 

As he looked at the gun’s rune lines,...