How people treat you is their karma; How you react is yours. The actions that the characters did against the monsters were correct because the people wanted justice and peace in the kingdom as the monsters arrive to the kingdom to kill people without reasons. First of all, the action that people did against Grendel are justify as they wanted justice for all the people he killed. Grendel arrived to the place where all the warriors were celebrating; making a lot of noise. There was when Grendel went to kill everyone because it was annoying him. As a result, Beowulf looked for him to make justice killing him, one night Grendel went and he fought with Grendel. Beowulf won and he took off his arm as he victory. We can see that was Grendel’s karma
