I know that hob goblins use slap grenades on you if you are hiding in a corner or in an angle they cant snipe you from. I tried basically everything possible. I tried dying on it multiple times, tried shooting it from the sky, tried shooting the hobgoblin to make him drop it and kill himself with it and his partners. Nothing works. What is up? I should be getting this grimoire card without any issues, why am I not getting it? What do I need to do in order to get it added to my grimoire score?