Douluo Dalu: I'm a Healer, So Why Am I Carrying a Sniper Rifle?

[Pure wish fulfillment] [Invincible] [No saintly do-gooder] Luo Hao transmigrates to Douluo Dalu and obtains a God-Tier Selection System! From the start, he gets a Barrett with a 100% critical-hit rate, trounces Tang San, and beats up Xiao Gang. He feeds Liu Erlong Forgetting Love Water, tricks Bibi Dong into reincarnating, and captures the Ice and Snow Emperors with a Poké Ball... Thus begins his legend of invincibility in Douluo Dalu. This novel is also known as Douluo: From the Start, I Get the Body-Tempering Technique, Nine Star Hegemon Body Art!; Douluo: From the Start, I Get the Supreme Nine Heart Begonia!; and Douluo: I’m Just a Healer, So Isn’t a 100% Critical-Hit Rate a Little Much?