Warlock Classmates Have a Heavy Task

Lin Ke accidentally ended up in another world. Through a special spell, he [contacted] his "hometown". The family was worried that he was not doing well, so they sent him these: Drones, all-terrain vehicles, howitzers, armored vehicles, fighter planes... Lin Ke believed that it was very reasonable for him, a summoning warlock, to summon these. In order to complete the task, Lin Ke sacrificed himself and completed a series of feats. Including but not limited to: helping the demon girl to upgrade, tricking the talented mage girl into naturalizing, having a close personal relationship with the elf princess... And easily establish the most prosperous territory on Gaia continent. … Many years later, standing at the port dock of the territory. Someone asked him: "What does it take to build this giant ship?" Lin Ke thought for a while and replied: "It requires a huge system, hundreds of majors, and hundreds of thousands of skilled workers..." "Then where are these helpers?" "They're right behind me."