Tanks Are Weak? I’ll Teach You a Lesson with Infinite Defense!

[Mass Transmigration into a Game + Shan Hai Mythical Beasts + Myriad Races + Stat Monster + Tank Class + Leveling Up + No Saintly Savior] Everyone transmigrates into an online game, and is randomly assigned the lowest-level class: Shield Soldier! No Paladin who can both tank and attack? No Swordsman's dazzling swordplay? No Summoner's army of disasters? No Healer who can revive the whole party? No celestial immortal descending from the heavens? No worries. I have a System with unlimited defense. Every successful defense makes me infinitely stronger! [Defense successful. Physical strength +1!] [Defense successful. Passive Poison Immunity Lv. 1 acquired!] [Defense successful. Shadow Assassin class token acquired!] [Defense successful. Skill acquired: Summon Undead Skeleton!] [Defense successful. Pet acquired: Vermilion Bird Egg!] By the time Lin Yuan reaches the end of the divine path, there is no one left around him worthy of walking beside him...