Title text:
Update: I would not have embarked on this powerscaling venture if I'd known how thoroughly Mark Twain was going to roast me.
Transcript:
Transcript will show once it’s been added to explainxkcd.com
Source: https://xkcd.com/3288/
protagonist confidently aims completely off-mark (not even in the right direction) and shoots; arrow gets halfway and sprouts cartoon eyes as it realizes how hilariously bad the aim was; stops midair, bends like a straw as it changes direction and proceeds to slalom its way through all the targets and 5 extra things just for the hell of it.
After embedding itself in the bullseye target it produces a cartoon gloved hand to wipe the sweat off the arrowhead and goes "fhew".