The bright splash of colour around the orcs (without names) is faerie fire, added to the image once the spell was cast).
And here's a view of me DMing last night. It includes the party's decision to let themselves into the combat above. Apologies for the aspect ratio.
Note the point where I just stop talking, letting the party work it out for themselves. Note also how I try not to even move or have any expression while this is happening, except when it's necessary to make a distinction or keep the party on track.