Deus Ex Human Revolution Tai Yong Medical Lower Levels

In deus ex human revolution, the elevator to the TYM upper levels is reached by coming out of the crawlway into a control room where there are two guards. Use a cyber bar to replenish the energy bars so that Jensen has at least two energy bears. Use the computer console cover to hide and then in rapid succession take out the two guards. Next exit the room and note that a third guard is coming through a laser blockage into the corridor. Attract the attention of the guard expertly (go from one side of the pillar cover to the other). This will cause the guard to be alerted to Jensen's presence but not detect him or become hostile. The guard will be fooled into entering the control room. Quickly stealth crouch walk to the back of the third guard and take him down too. This technique will allow the third guard to be taken down inside the control room away from the attentions of the security camera. This technique is recommended for moderate level (basic guide to stealth) users of the Jensen stealth techniques.

Next stealth past the security camera and head to the left. Open the double sliding door, and head up the stairs. Take out another security guard here, and then proceed right to head into the elevator that will take Jensen into the TYM upper levels and into the data core room.