I'm debating on getting a Terrafin, since I noticed that my S2

was getting kinda hard to use, and as I was level grinding in the "Angry Angry Plants" solo survival challenge on Hard with Prism Break, trying to get him to level 20, and I kinda struggled to hit enemies with

's beam consistently enough for it not to be a pain. That's why I'm considering getting a

. Thing is, I'm not sure if I should go for his S2 or his S3. Can you help me out here? Common sense says I should go for the S3, but I'm not entirely sure about that.