When Sylvanas left, Song Zheng felt even more bored staying in the house, especially since Catherine rarely said a word in the middle of the day.

He wanted to ask the ghosts about the situation, but the ghosts were able to appear before Sylvanas used a special powder, which now seems to have long since faded with the passage of time, and those ghosts have long since become invisible again, and he is unable to see them at all, and he cannot communicate with them.

By the time another two hours had passed, Song Zheng had become restless and began to worry about Sylvanas' safety.

"Shall we also find out Gianna's whereabouts, and Sylvanas......" Song Zheng said anxiously to Catherine.

Catherine hesitated for a moment, then nodded, and she seemed unable to sit still.

Although the stealth technique of the two is not easy to use during the day, as long as it is used near the building, it can still obtain some stealth effects through the cover of the surrounding environment, which also gives the two some confidence.

The two began to make their way quietly towards the center of the manor, and soon encountered a patrol of the undead on the way, and they had to hide cautiously.

Perhaps the enemies did not expect them to come and hide around the manor, so the guards did not increase.

This gave Song Zheng and the others a great opportunity.

I don't know how long I've been walking through those buildings, but there are still buildings in front of me, and Song Zheng can't help but feel the wealth of the Nabarov family again, even after being sanctioned, they still built such a large manor.

Just as he was feeling emotional, there seemed to be some sounds in the distance.

"It seems to be the sound of a fight, could it be that Sylvanas is fighting with someone?" Song Zheng was shocked.

"It's true that there are people fighting, and there are people unleashing magic!" Catherine was pleasantly surprised after listening for a while.

The two of them immediately followed the sound of the battle.

Surprisingly, however, there were no traces of a fight along the way.

Eventually, when Song Zheng stopped, he found himself and Catherine in the heart of the manor.

What made the two even more anxious was that there were so many rooms and corridors inside the manor that they couldn't find their way back.

"It's a big trouble now, and there can't be a map in this hellish place." Song Zheng was already nervous in his heart, and he only hoped to find Sylvanas as soon as possible.

Since the two of them had gone deep into the manor, there were already more enemies around, and it was already very difficult to completely avoid them, and soon the two were discovered by a team of patrolling undead, but fortunately, the patrolling undead were some low-level skeletons, which were solved by the two of them in a burst of slashing.

As the two continued their search, they encountered several patrol teams, only to be killed by them.

In addition to being nervous and worried, Song Zheng was also faintly excited, and the experience points he gained in such a battle were not small.

However, after searching many rooms, the two still did not find Sylvanas, let alone any clues related to Gianna.

"The sound of the fight seems to have come from underground...... "Catherine finally noticed something unusual.

"That voice is coming from underground? No wonder we wandered around for so long and didn't find it. Song Zheng couldn't help but be speechless for a while, it seemed that Sylvanas had probably entered the basement of this manor.

According to those ghosts, the basement here should have been a wine cellar, but now it is occupied by the 'butcher', and I am afraid that it will be very dangerous.

Of course...... Even more troublesome is finding the door to enter the basement.

In order to find out how to get underground, the two had to continue their search and find while killing some of the undead.

Fortunately, although there are many undead patrols in this manor, they are not very powerful, and many of them are ordinary skeletons, which can be cut down by Catherine with a few swords.

By the time they finally found the entrance to the basement, it was already dark......

According to the original plan, the three of them should take advantage of the darkness to lure the undead troops guarding the bridge to leave by using the strategy of diverting the tiger away from the mountain, even if it is only a part of it, they will have the opportunity to use stealth to escape from the bridge.

However, it was dark today, but he never found Sylvanas.

"I'll go down and take a look, you're guarding outside this entrance." Song Zheng said after hesitating for a moment.

"It's better for me to go down, you stay outside, if I can't come back in an hour, you don't have to wait any longer, find a way to leave this island immediately, even if you really swim away." Catherine said immediately.

"Let's go, I have an invisibility ring, and if I encounter danger, I can escape by stealth." Song Zheng smiled and shook his finger wearing the invisibility ring.

In fact, he had the raven insignia in his hand, and he didn't need to swim when he really wanted to leave here, he could just fly away.

"Then let's go down together, I'll go ahead." Catherine smiled, and then entered the basement door without saying a word.

Song Zheng hurriedly followed.

Since it was dark outside, they couldn't even reach their fingers in the basement, which allowed the two of them to use the stealth technique again, and successfully avoided the undead guards along the way.

The two soon came to the place where the sound of battle was emanating.

Originally, Song Zheng thought that Sylvanas had come here and clashed with the necromancers here, but to his surprise, it was not Sylvanas who was fighting here, but Gianna!

At this moment, Gianna looks a little embarrassed, the magic robe on her body has been damaged, and her hair is a little scattered, but fortunately, the magic power has not been exhausted, and she is quickly releasing various magic attacks to rush to the undead around her.

Song Zheng was about to step forward to help, but was shocked to find that there was a woman behind Gianna, who was also a mage, and seemed to be good at ice magic, and was fighting side by side with Gianna at the moment, jointly defending against those undead.

"There's a human mage here? Could it be that he was caught like Gianna? Song Zheng was surprised, but he couldn't help but secretly rejoice.

If it weren't for the female mage's cooperation, Gianna's magic would never have lasted so long.

"You can't escape, Miss Illusia, the Barov family already belongs to the great Lich King, your father is the best example, you dare to disobey your master's orders to save that hateful woman, you better stay and follow me, and maybe in the future you can become a lich with eternal life." A tall necromancer shouted loudly, while directing the surrounding undead forces to continuously attack the two.

"Illusia? This name seems familiar...... By the way, this seems to be the young lady of the Barov family, she actually saved Gianna? Song Zheng was even more speechless when he heard this.