Resident Evil Zero HD: Boss Queen Leech - second encounter

First, you have to defeat Queen Leech the same way as you did during the first fight. You can control both heroes, but it is better to focus on Rebecca and try to remain 100% HP. In the meantime, Billy should attack the boss using the weapon he has. Help Billy only if there is no direct danger to Rebecca. After the fight, a cut-scene will be triggered and you will receive Gate Operation Manual. Now you proceed to the main part of the battle, where you can control only Billy.
Note - don't mind the time limit that you see on the screen, because you can win the fight long before the time ends.

The strategy is as follows: As Billy, you need to cover Rebecca who will travel from one valve to another to open the ceiling and thus defeat the boss. Every time Rebecca starts heading to the next valve, the boss will focus on her and will try to kill her. This is the most important moment, because you need to quickly attack the queen with Billy and deal as much damage to her so that she starts attacking you (use Magnum or Grenade Launcher). When it happens, try only to endure the boss's attacks. Don't use your best weapons on the queen all the time, because you can't defeat her this way.

As it was said earlier, Rebecca will have to reach the valves. Their location (in order) is as follows: in the south-western corner, in the north-western corner, in the south-eastern corner and in the western part of the room. You don't have to remember their location. Because Rebecca will find them on her own. The game will trigger a cut-scene every time Rebecca reaches a valve and also when she's done working on it.

You have to protect Rebecca until she uses all four valves and open the ceiling, killing Queen Leech. Congratulations! You've just completed the game!
Note - don't forget to save the game at the end (it will be called Clear). You can later load it from the main menu and unlock Leech Hunter mode and Wesker Mode.
- Resident Evil Zero HD Game Guide & Walkthrough
- Resident Evil Zero HD: Game Guide
- Resident Evil Zero HD: Walkthrough
- Resident Evil Zero HD: Ecliptic Express Train
- Resident Evil Zero HD: Map Ecliptic Express Train
- Resident Evil Zero HD: Exploring first cars
- Resident Evil Zero HD: The start of the cooperation with Billy
- Resident Evil Zero HD: Boss Stinger (giant scorpion)
- Resident Evil Zero HD: Continuation of the train exploration
- Resident Evil Zero HD: Stopping the train from derailing
- Resident Evil Zero HD: Umbrella Training Facility
- Resident Evil Zero HD: Map Umbrella Training Facility
- Resident Evil Zero HD: The beginning of exploration
- Resident Evil Zero HD: Boss Centurion (huge centipede)
- Resident Evil Zero HD: The clock puzzle
- Resident Evil Zero HD: The conference room puzzle
- Resident Evil Zero HD: The chessboard puzzle
- Resident Evil Zero HD: Unlocking access to the basement
- Resident Evil Zero HD: Training Facility Basement
- Resident Evil Zero HD: Map Training Facility Basement
- Resident Evil Zero HD: The beginning of exploration
- Resident Evil Zero HD: Saving Rebecca
- Resident Evil Zero HD: The animal statues puzzle
- Resident Evil Zero HD: Exploring the testing area
- Resident Evil Zero HD: Return to the Training facility
- Resident Evil Zero HD: Unlocking the door to the observatory
- Resident Evil Zero HD: Laboratory
- Resident Evil Zero HD: Map Laboratory
- Resident Evil Zero HD: The beginning of exploration
- Resident Evil Zero HD: Boss Infected Bat
- Resident Evil Zero HD: Reaching the research facility
- Resident Evil Zero HD: Obtaining the Blue Leech Charm
- Resident Evil Zero HD: Obtaining the Green Leech Charm
- Resident Evil Zero HD: Gaining access to the area with the cable car
- Resident Evil Zero HD: Activating the cable car
- Resident Evil Zero HD: Factory
- Resident Evil Zero HD: Map Factory
- Resident Evil Zero HD: Activating the large elevator in the factory
- Resident Evil Zero HD: Boss Proto Tyrant - first encounter
- Resident Evil Zero HD: Leaving the factory
- Resident Evil Zero HD: Treatment Plant
- Resident Evil Zero HD: Map Treatment Plant
- Resident Evil Zero HD: Repowering the plant
- Resident Evil Zero HD: Saving Billy
- Resident Evil Zero HD: The crates puzzle
- Resident Evil Zero HD: Reaching the place where the motherboard is hidden
- Resident Evil Zero HD: Boss Proto Tyrant - second encounter
- Resident Evil Zero HD: Finding and using the motherboard
- Resident Evil Zero HD: Building a working battery
- Resident Evil Zero HD: Placing the battery in the forklift
- Resident Evil Zero HD: Reaching the Queen Leech's lair
- Resident Evil Zero HD: Boss Queen Leech - first encounter
- Resident Evil Zero HD: Preparations before the final battle
- Resident Evil Zero HD: Boss Queen Leech - second encounter
- Resident Evil Zero HD: Walkthrough
- Resident Evil Zero HD: Game Guide
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