Here is a great guide made by anomiex on our subreddit.
Everything written below is from the post https://www.reddit.com/r/HiTMAN/comments/qt42f3/a_guide_to_the_wrath_termination/
The gimmick is that you have to deal with an assault by the NPCs, preventing the targets from reaching Alexa’s private room. Each level has 3 waves, and each wave has NPCs spawning at fixed spawn points outside.
Plus no dropped weapons from the NPCs and disguises are unavailable.
Waves
Level 1: NPCs with pistols.
- Terrace (rusty crowbar), Front door (rusty nail).
- Staff entrance (rusty crowbar), Garden (rusty nail), Front door (shuriken)
- Staff entrance (rusty crowbar), Garden (shuriken), Terrace (shuriken), Front door (rusty nail)
Level 2: NPCs with shotguns.
- Staff entrance (rusty crowbar), Terrace (shuriken), Front door (rusty nail).
- Staff entrance (shuriken), Garden (rusty crowbar), Terrace (rusty crowbar), 2×Front door (shuriken, rusty nail)
- Staff entrance (?), Garden (?), 2×Terrace (?, ?), 2×Front door (?, ?)
Level 3: NPCs with assault rifles and body armor.
- Staff entrance (rusty crowbar), Garden (shuriken), Terrace (rusty nail), Front door (rusty nail)
- Staff entrance (rusty crowbar), 2×Garden (shuriken, rusty crowbar), Terrace (rusty nail), Front door (shuriken)
- Staff entrance (shuriken), 2×Garden (rusty crowbar, shuriken), 2×Terrace (rusty crowbar, rusty nail), 2×Front door (shuriken, rusty nail)
General tips
- KO at least one inhibitor in the first and second waves instead of killing them all immediately, as the next wave doesn’t begin until all inhibitors are dead. This way you can have all the time you need to prepare for the second and third waves.
- Kill all the non-inhibitor NPCs in the first/second wave before starting the second/third. No point in having even more people trying to kill you at once.
- The traps are mostly useless, most need your manual interaction and will only take out one NPC.
- The puddle+fuse traps are okish, since they don’t need manual triggering. Drop a coin (two can be found outside the kitchen, one in the Library secret room) in the puddle to ensure NPCs won’t bypass it.
- A generally good route for the first two waves:
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- Camp the spawn for the staff entrance. Kill the inhibitor, maybe the rest too (except for the one who runs ahead).
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- Run over to get the garden inhibitor(s). Be sure to KO one.
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- Run around the side to get the terrace inhibitor(s). KO one if you didn’t KO a garden inhibitor.
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- Run around the front, where the front-door crew has probably just arrived. Come up behind and kill as many as you can silently. Be ready for a firefight in the foyer, particularly since this group usually has the most non-inhibitors along with (and any that ran ahead from the other groups may join in too).
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- Kill any remaining non-inhibitor NPCs. Collect all throwables and prepare any traps you care to prepare. Finally, kill the KOed inhibitor when you’re ready to start the next wave.
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- For the third wave, I liked to try to place proximity explosives and leaking propane at the spawns for the staff entrance, garden, and terrace groups to try to get some free kills. If you manage to kill all three groups’ inhibitors you may be able to shoot the ones coming in the front from the balcony and run upstairs to the exit without having to deal with the non-inhibitors.
Equipment stashes
Useful equipment, varying by level, is found in the secret rooms in the mansion and in Fernsby’s locked office.
It’s intended that you use the limited supply of rusty nails and crowbars to choose which to claim, but if you want to spend bullets you can open the crates that way too. If debris from the crate blocks picking up one of the explosives, go far away and come back and the debris will likely have despawned.
You can also often find loose fuses and batteries in some of the rooms, if you’re interested in that sort of thing.
Alexa’s secret room: Opens just after the start
- Left case: (1) Proximity explosive, Fiber wire; (2) Fuse, Screwdriver; (3) Wrench, The Roar flash grenade
- Right case: (1) Janbiya (knife), The Roar flash grenade; (2) Wrench, Custom 5 (5 shots); (3) Fuse, Screwdriver
- Crate: 2 Fuses
Rebecca’s secret room: Open at start.
- Left crate: 2 Proximity explosives
- Right crate: 2 Fuses
Library secret room: Opens after the first wave.
- Left crate: 2 Fuses
- Right crate: 2 Proximity explosives
Zachary’s secret room: Opens after the second wave.
- Right case: (1) Classicballer (7 shots), (2) Proximity explosive, Remote explosive duck; (3) Classicballer (7 shots)
- Left case: (1) Concealable knife, Remote explosive duck, (2) Classicballer (7 shots); (3) Proximity explosive, Remote explosive duck
- Crate: 2 Proximity explosives
Fernsby’s office: Locked. Probably better to open it with a propane+battery explosion than wasting a nail.
- Front case: (1) Shotgun (10 shots); (2) Sniper rifle (6 shots); (3) Assault rifle (60 shots)
- Back case: (1) Custom 5 (5 shots), Remote explosive duck; (2) Shotgun (10 shots); (3) Sniper rifle (6 shots)
- Crate: 2 Fuses
Small throwable items
It’s good to get as many small throwables as you can. If you wind up in a firefight, which is fairly likely, throwing from cover generally seems to work better than any other tactic. Even if you have a gun, thrown items will more reliably take out the NPCs.
The equipment in the stash rooms varies by level, while the rest are always the same.
Outside:
- Front yard: Unicorn horn, Baseball.
- Left-front garden: Hammer (in wheelbarrow)
- Left-side garden: Unicorn horn
- Graveyard: Brick
- Terrace: Hammer
- Back patio area: Garden fork, Unicorn horn, Baseball
Ground floor:
- Sitting room: Cigar box
- Kitchen: Soap, Fish
- Staff bathroom: Soap, Lead pipe
- Fernsby’s office: (1) Folding knife; (2) Tanto; (3) none
- Foyer: Combat knife
- Library bathroom: Soap
- Library: Hobby knife, Hammer.
First floor:
- † Library secret room: (1) Hammer; (2) none; (3) Janbiya
- Library balcony: Brick
- Emma’s room: Letter opener
- Emma’s bathroom: Razor
- ‡ Zachary’s secret room: (1,2) Concealable knife, (3) Tanto
- Zachary’s room: Kitchen knife
- Small office: Scissors
- Rebecca’s secret room: (1) Tanto, Folding knife; (2) Hammer; (3) Lead pipe
Second floor:
- Alexa’s dressing room: Combat knife
- Alexa’s private room: (1) Screwdriver, Wrench; (2) Rusty nail, The Roar flash grenade; (3) The Roar flash grenade
- Alexa’s secret room: (1) none; (2) Cleaver; (3) Hammer
- Alexa’s office balcony: Shears
My practice was to grab the Hammer and Hobby knife from the Library and the Combat knife from the foyer on my way outside for wave 1. Then I’d collect most of the rest before killing the KOed inhibitor to start wave 2.