Elpuri doesn't shoot lightning, but he has an attack (I think the librarian tells you it's his tail?) that causes things to break. You want a spare chest with potions and wands that you can drop nearby.
Well 4zb4, considering we get blood spatter, maiming and limbs flying, a "child safe" anything is a moot point. Also, how visual is it going to get considering we can count individual pixels?