Pathetic

An awesome way to comment on someone/something on being miserable to the utmost harshly way.

Look at how pathetic that lunatic is, he doesn't improvise nor adapt.

Grind

Something you keep doing OVER AND OVER... ANDDD OVERRRR!!! Again to achieve something.

I'm a legend I'll keep grinding by murdering people to become a famous murderer with a cool name like Jack the ripper!!! Except he is fictional.