As soon as Adrian got hit with the Phoenix Shot, he immediately entered the next phase. A shockwave did not erupt from his body this time as the next form is not something that should be flashy.
[You are now in Dimming Twin Daggers Form.]
[All skills related to Dexterous Bow Form has been deleted.]
[You have unlocked the skill Blinking Light.]
[You have unlocked the skill Sinking Darkness.]
[You have unlocked the ultimate skill Fall of Light, Calm of Night.]
The moment he changed his form, he already used the second skill called Sinking Darkness. It is a skill that created a zone covered in darkness and he could freely dive in and out from that darkness. It is different from his Soul Impale skill that increased his attack power as that skill could potentially one shot an opponent if he hits a basic attack.