After the square entrance on the ground was fully revealed, the key-type switch that had just been triggered by Bai Lidu suddenly flashed sparks, and after a crackling sound, the switch was completely scrapped, which means that the entrance in front of you will remain in its current state forever.

Bai Lidu didn't have anything to hesitate, he added Wan Zhen'er and his mount, and jumped in directly:

- System Prompt: You are the first to enter the [Underground Ruins] map, you are currently on the first floor of the Underground Ruins, this map used to be a hidden map, due to your discovery and access, the map will be turned into a public map and open to all players.

- Quest Hint: You have completed the random quest [Find the Entrance and Enter], and you have obtained 1 point of luck as rewarded by the system.

Counting this lucky value, Bai Lidu has a total of 18 lucky points, and just when he was happy, the system announcement also appeared:

- Xuanshui Town System Announcement: The player [Li Dubai] was the first to discover and enter the level 20 hidden map [Underground Ruins], and the system rewarded him with 3 gold coins, 1 skill point, and 500 points of reputation in Xuanshui Town and 300 points of reputation in the faction. Note: This hidden map will be converted to a public map and officially open to all players, and anyone who reaches level 20 can enter the map by picking up the teleportation officer's mission in the town center square, and going to the edge of the city ruins south of Xuanshui Town.

……

Bai Lidu is actually a little numb to his announcement of swiping the screen, according to the current way of playing, it is estimated that the opportunity to trigger the announcement in the future is indispensable, anyway, he is already famous, so there is no need to dodge anymore, hide and tuck, and there is no harm in promoting himself generously.

In addition, for this map of underground ruins, Bai Lidu suddenly remembered that there was a treasure map lying in his package, remembering that the location mentioned above was the underground ruins, and Bai Lidu found this treasure map from the package:

[Mysterious Treasure Map]: In the underground ruins, there is a sealed treasure chest hidden, which contains what you want, level requirements: level 20, you need to use this map in the underground ruins map (you had better learn to pick the lock, otherwise you can only return in vain)

"Haha! Not bad! ”

Overjoyed, Bai Lidu chose the map and directly chose to use:

- System prompt: You have used and consumed the [Mysterious Treasure Map] in the underground ruins, the treasure location has been associated with your game map, when you enter the treasure map range, it will be highlighted on the map to remind you that your current location has not been associated with the treasure location, please continue to explore.

"Dizzy! There is no connection, is it because I am not in the right position? Or is it not on this level at all? ”

Although Bai Lidu was suspicious, he was not too entangled, sitting on the mount and looking around the environment, he saw that the surrounding decorations and scenery were very modern in style, in addition to being a little shabby, if it were not for the players who participated in the game throughout the game, when they saw the scene in front of them, it was estimated that it would be difficult to accept that this kind of map would appear in the retro camp.

Just when Bai Lidu didn't know where to go, some red-named humanoid monsters appeared out of nowhere, and were slowly approaching him at the moment:

[Awakened Corpse] (Normal, Undead): Level 22, Life 1200, Attack Method: Corpse Poison Infection, Gnawing (Once they were just ordinary experimenters working here, but they died here inexplicably, a mysterious force not only allowed their corpses to be preserved, but also allowed them to wake up, eating, is their only purpose at the moment.) ）

In the middle of the night, Bai Lidu didn't bother to spend energy killing monsters, so he summoned Night Shadow out, with the support of Night Shadow's group attack, coupled with his occasional group attack skills, these ordinary monsters with more than 1,000 blood didn't get close at all, they were all cleaned up, and turned into a real corpse.

In order to collect the spare parts required by the mission, Bai Lidu had to rummage through the corpses one by one, and only found a bunch of useless items such as "tattered suit jackets, broken myopia glasses, broken mobile phones, moldy bra ......" that could only be sold to the system store.

Bai Lidu randomly chose a direction to continue to advance, and basically encountered this kind of awakened ambush corpse, and soon he had already circled and returned to the position when he first came in, only to see the navigation map in the upper right corner of the screen, showing that there was still an unexplored covered state in the middle area, Bai Lidu advanced towards the central area, and this time he encountered a group of new varieties of humanoid monsters:

[Security Guard's Wandering Corpse] (Normal, Undead): Level 22, Life 1200, Attack Method: Firearm Shooting, Hand-to-hand Combat (Once they were just security personnel working here, but they died here inexplicably, a mysterious force not only saved their corpses, but also restored their sense of fighting, fighting, is their current instinct.) ）

What the! Gun shooting!

As soon as Bai Lidu reacted, the group of security guards on the opposite side had already started shooting, fortunately, what these security guards were holding was just an ordinary pistol, and the frequency of shooting was not high, no matter who hit him, it was no big deal.

With the lesson of touching the corpse monster before, Bai Lidu didn't plan to touch the corpses of these security guards, and after continuing to advance for a distance, there was an elevator shaft in front of him, Bai Lidu stepped forward and pressed a button marked with a downward arrow, although the elevator did not respond at all, but there was a hint:

- System prompt: You have found an elevator to the second floor of the underground ruins, but you can't get in, please find the elevator pass and try again.

Oh! There is still such a setting!

Bai Lidu had no choice but to go back and re-examine the body of the security guard, this time picking up some strange and useless items such as "torn uniform tops, torn pistols, crooked batons, damaged stun ......".

Next, Bai Lidu was near the elevator entrance, swiped back and forth a few waves of security guards, and finally turned over a card:

[Elevator Pass] (white, prop): Tick and you'll be able to use the elevator.

Bai Lidu arrived at the elevator, clicked on the pass card in the package, and saw the character put the main weapon on his back, then took out the card and dripped it towards the identification area on the elevator panel, then put the card back and put the weapon back on.

- System prompt: You have activated the elevator, you can go down to the second floor of the underground ruins, please touch the downward button of the elevator.

Bai Lidu pressed the down button again, the elevator door really opened, after Bai Lidu entered, he found that there were two buttons [-2] and [-3], although the system said that you can go to the second floor, but it did not say that you should not go directly to the third floor, since there are two buttons to press, then you might as well give it a try, so Bai Lidu directly pressed the button of the negative 3 layers:

The elevator door slowly closed and slowly moved downward, when Bai Lidu was still secretly happy, the lights in the elevator suddenly flashed, and there was an alarm sound, and then, Bai Lidu heard an electronic synthesis voice:

[Warning, warning, an intruder has been spotted, the elevator will stop running on the negative 2nd floor, and the machine guard has been activated!] 】

- System prompt: Your intrusion has alarmed the main control intelligent system in the underground ruins, the elevator will stop running on the negative 2nd floor, you have been locked by the machine guards stationed on the -2nd floor, please leave the elevator quickly.

Faint! It seems that you really can't press the elevator randomly!

Bai Lidu, who was already sleepy, immediately became energetic and prepared for a new battle.