To get Water Breathing in Weak Legacy 2 , you need to unlock Water Breathing V1 first, then work your way up to Water Breathing V2 with higher level, mastery, and expensive requirements.

Water Breathing V1 ā€“ First Unlock

Water Breathing V1 is your starting point and is learned from the Water Breathing trainer at or near Slayer HQ / Demon Slayer Corps. Think of this as your ā€œbasic licenseā€ before you can upgrade to the advanced version.

Basic route to V1:

  1. Go to Slayer HQ / Demon Slayer Corps
    • Travel to the main Slayer HQ area; the Water trainer (often modeled after Urokodaki) is near the central area or slightly off to the side.
  1. Meet the level & money requirements
    • Some guides list Level 5 and 1,000 Yen plus a ā€œKill 25 Demonsā€ quest to unlock Water Breathing.
 * Other video guides mention **Level 15 and 10,000 Yen** as requirements to talk to the trainer and start training.

 * This difference is likely due to updates, so check what requirement shows in your dialogue box.
  1. Complete the trainer quest
    • Accept the trainerā€™s quest (usually a demonā€‘killing or training task).
    • After completing it, you unlock Water Breathing V1 and can start leveling its mastery.

Water Breathing V2 ā€“ Advanced Upgrade

Water Breathing V2 is a lateā€‘game upgrade that needs a much higher level, more Yen, and mastery on your V1.

Requirements for V2

Most upā€‘toā€‘date guides agree on the following:

  • Player level: around Level 200.
  • Water Breathing mastery: 200 mastery on Water Breathing V1.
  • Yen: 100,000 Yen.
  • Items: around 5 Crystal Essences / Crystal Essence soul items.
* These are usually obtained from **dungeons/waves** or similar farm content.

If your NPC asks for slightly different numbers, follow what appears inā€‘game, as updates can tweak costs.

Finding the V2 Trainer (Hidden NPC)

Players often get stuck here because the trainer icon does not show on the map.

General path described in guides:

  1. Start from Slayer HQ / Demon Slayer Corps
    • Leave the main base area.
  2. Head toward a nearby mountain/hill
    • Video guides show going up a mountain/hill close to HQ , often above or behind the main complex.
  1. Look for the hidden Water V2 trainer (often themed after Giyu Tomioka)
    • The NPC stands on top or near the upper side of the hill.
 * There is no map icon, so you must visually locate him by following paths, slopes, or natural ramps as shown in community guides.

Once you find him:

  • Talk to the trainer.
  • If you meet Level, Mastery, Yen, and Crystal Essence requirements, accept the prompt to unlock Water Breathing V2.

How to Speed Up Getting V2

Once V1 is unlocked, the real grind is mastery, levels, and items.

Mastery farm tips:

  • Spam your Water Breathing skills in combat; mastery rises by using the style actively.
  • Farm durable mobs or bosses like Yahaba (often recommended in community runs) to stack EXP and mastery at the same time.

Crystal Essence & Yen tips:

  • Run dungeons / wave modes repeatedly; Crystal Essences often drop between waves, and you gain a lot of Yen while doing them.
  • Play in parties if possible to clear waves faster and reduce downtime.

What You Get From Water Breathing

Water Breathing in Weak Legacy 2 is built around fluid, adaptable attacks with a mix of range and block properties.

V1 typical forms (examples)

  • Water Surface Slash ā€“ low range, can be perfectly blocked; good opener.
  • Striking Tide ā€“ medium range comboā€‘type slash.
  • Waterfall Basin ā€“ low range with burst damage.
  • Constant Flux ā€“ highā€‘range, harderā€‘hitting move, not perfectly blockable.

V2 advantages

V2 upgrades your kit into stronger and flashier moves:

  • Forms like Blessed Rain, Great Waterfall Basin, Whirlpool, Dragon Fury, Dead Calm have higher range or stronger pressure.
  • Community players describe Water V2 as very strong , especially if you do not have access to rarer styles like Moon Breathing.

Mini FAQ: ā€œHow to get water breathing in weak legacy 2ā€

  • Q: What is the fastest way to get Water Breathing V1?
    • A: Rush to Slayer HQ, meet the level/Yen requirement shown by the trainer, and quickly clear his demonā€‘killing quest.
  • Q: Why canā€™t I find the V2 trainer?
    • A: The NPC is hidden on a hill/mountain near Slayer HQ and has no map icon , so you must actually walk the routes and look around elevated areas.
  • Q: Do I need to max V1 moves first?
    • A: You need Water Breathing mastery 200 on V1 to qualify for V2, which indirectly means heavy use of V1 moves in combat.

Information gathered from public forums or data available on the internet and portrayed here.