The Undead Lord Only Wants Liver Proficiency

Traveled to the game world and became an undead lord. Lin Ge was panicked and found that something was wrong with his system. [Three trees have been successfully planted, and your tree planting proficiency has been improved again! [Current progress: Beginner 98/100] [Rewards at the current stage: Summoned object - Abomination, random level 1 troops*2, spell skill book-Death Whip*1, experience value/gold coin reward] "Planting trees, exercising, falling in love, cooking, socializing... I am a lord of the undead, and you want me to do such things?" "Wait, the reward seems to be very generous?" "...." The brave man draws his sword, the dragon roars, the priest prays devoutly, the knight abides by his creed, the warrior points his sword to glory, and the thief lies silently. The gods are high above, and the witches are whispering... And in some inconspicuous little corner of the world, an undead lord is trying to find ways to improve his damn proficiency.