Best Hailey Sniper Build for Boss Killing in The First Descendant | Gameplay Included!

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Discover the *Best Hailey Scott Sniper Build* for Boss Killing in The First Descendant! In this guide, I show you how to defeat five of the toughest bosses in the game—Executioner, Dead Bride, Devourer, Pyromaniac, and Swamp Walker—in under 15 seconds using Hailey's devastating *Zenith* sniper skill. Whether you’re a beginner or an advanced player, this build will help you dominate Hard Mode bosses with ease.

*In this video, I break down everything you need to know about building the perfect Boss Killer Hailey:*
1) The Reactor and External Components that make the build powerful.
2) The Ultimate Weapon to choose and which Modules you need for maximum damage.
3) How to get 7 shots instead of 4 with Hailey's Zenith.
4) Why I still use the controversial Skill Insight Module (it’s actually a game-changer!).
5) An alternative build for players who are confident in their shots, using the Maximize Skill Module.
6) A step-by-step demonstration of five Hard Mode boss kills using this build!

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Timestamps:
00:00 - Introduction to the Vid
00:50 - Reactor & External Component
02:30 - The Weapon Choice Matters
03:25 - Hailey's Sniper Build Explained
06:30 - Why do we use Skill Insight?
08:50 - How to use Maximize Skill
10:25 - Hard Mode Executioner Kill
11:40 - Hard Mode Dead Bride Kill
13:25 - Hard Mode Devourer Kill
15:10 - Hard Pyromaniac Kill
16:55 - Hard Swamp Walker Kill
18:25 - Closing Thoughts
19:20 - Thanks for Watching & Supporter Shout-Out

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[Baya]

Little Sidenote: Take care of your distance. On Devourer f.e. you're only 20m away. You have to be between 25m (for max. Damage) and 38m (max. Distance for your 2nd ability).

[vallenvega]

man to think that I used to struggle killing Dead Bride, and now she's deleted within the first 30s, is wild.

[BlastShock]

Banger vid, I appreciate the boss breakdowns to showcase skill timings! To those that are indecisive regarding investments into skill crit rate thru "Skill Insight" versus anything else, think of it as a DPS safety net and test it out on your favorite boss to farm! I personally farm executioner for CCs and EAs with Hailey and I already know at what point I need to activate her Skill 3 and 1 based on the boss's movements! I don't need to invest in the additional crit rate and can invest into comfort mods that provide survivability or utility.

tl;dr part of the game is testing out mod combos for yourself vs bosses (not normal mobs), please experiment using the videos that you watch and see for yourself!

[manjuu]

Really love your explanation in builts / demonstrations in boss fights/ positioning 😱. Easy to understand 😂. And I love the way u show the catalyst page without modules too❤. With your gun built Hailey I actually won 20 plus in pub matches (getting lucky with nice pub people too🎉) looking forward to the piecing light built🤖

[mr.flygames]

Just got Hailey definitely gonna try this out!

[venombane]

I hate to see build with shot focus because I can’t get it no matter how much I try

[gingerbeargames]

shot focus finally drops on missions so its no longer a nightmare to get!

[Ali_ReBORN]

Instead of addressing hopefully your favorite, address your audience as your favorite community! It is how we address people around us that brings a similar response 🙂 you are doing great and definitely fall in my top 5 TFD content creators! Keep it up bro! Don’t assume, believe ❤

[namelessarcher]

Hi there! I have every module for Hailey besides shot focus for her descendant module. Can I ask if it has to be shot focus or if there can be another alternative for her? I don't have the mod and I don't know if there could be another viable option for her or not! :)

[crimsondredd]

Wait so with the new mods is there a change for piercing light
Do we want like high firearm attack or do we need a normal ish gun build with lots of crit rate and crit dmg

[BenKLode]

Maybe I missed it while watching the video, but does the mods on the weapon matter beyond just the mag increase? Her S4 does take base damage into account, but does stuff like Action&Reaction/Rifling Reinforcement increase the damage as well? Or is it moreso like Freyna, where the damage only gets scaled by more skill power?

[vijaytoretogaming]

where do i get weak point expansion ive been try for so long but i aint getting one im losing my mind rn

[tenordude]

So just to be clear, do we need to nearly max catalyze the piercing light to give it more dmg or are you just concerned about the mag size mods? Also, I thought the dmg was tied to weapon you're using, so wouldn't piercing light be necessary for the build to maximize dmg?

[GiveMeRage]

My Hailey build (yours) almost done, I can almost solo bosses. lol

Just wish I could get shot focus 😢

[zackvyle]

im torn between farming for her or just getting her from store.
or just wait for Ult Frenya for that poison screen wipe

[sinfull]

What build do you use for the rest of the bosses ? Which descendant?

[Tomatou-ztrw]

Am I getting more dmg if I swap glacial syncytium for singular specialist? Idk how this modules works, but by reading their description it makes more sense to me

[FFXIVSnowfallSanctuary]

Do you have a recommended video or build for Haley for a mobbing or farming build, I use her for bossing and absolutely love her and I would like to use her more outside of just bosses, But it is hard to compete with these other characters who are just speed running these dungeons, But really would like to focus on just playing the character I enjoy rather then constantly swapping to different characters I don't personally enjoy as much.

[lellyzle]

I need a master class on reactors because I seriously don't get it and I cant be the only one

[gemini]

Is max afterglow acceptable? I don't know if I'm ready to grind 4x upgraded piercing light