Teron Gorefiend nodded at the order and trudged outside with slightly heavy steps. The two of them were currently at the lowest level of Shadowmoon Burial Grounds, and for safety's sake, they had even set up a Magic Circle so they could flee into the void if anything went wrong.
But to relay the order, someone still had to return to the surface. Ner'zhul clearly had no intention of going up there, so Teron, who had no underlings to use as errand boys, could only run the errand himself.
But just as he turned around, a little ball flew out of the darkness from who knew where. It was black and yellow, with a small green light blinking atop it.
"What is th—"
Bloodthirster wanted his leader to take a look at what the thing was, but before he could finish speaking, the strange little ball suddenly exploded, bursting with blinding light and piercing noise.
He and Ner'zhul immediately clutched their eyes and collapsed.
Though they were both Sorcerers, tough-skinned and reinforced by Demon Armor to improve their physical abilities, and their demon servants could share the damage dealt to their bodies through Soul Link, their eyes remained their most vulnerable parts.
"Now you know why you should turn on the lights when reading in the dark, right?"
A voice came from the nearby tunnel. Naturally, the two Sorcerers brought down by the Concussion Grenade could not hear it. Deathstroke was merely teaching his students about eye health.
The two Felguards by the door finally reacted, brandishing their huge axes as they charged Su Ming.
For an ordinary warrior, the charge of Felguards over four meters tall would be difficult to handle. But Deathstroke simply leaped up, grabbed the two Felguards by their heads, and violently smashed them together.
Two