Best Abyssus Builds for Deep Water 30

Deep Water 30 asks for a complete route, not a single damage trick. Pick a weapon that fits your execution, make room clear reliable, and reserve an Ability, Charm or Blessing slot for the boss or survival gap the weapon cannot solve alone.

Patch 1.3.62817 quick answer

Four useful starting points

Most forgiving clearTesla Gun — excellent clear, high safety; add boss burst.
Boss specialistBrine Revolver — excellent boss output; add pack coverage.
Dense-room specialistPlasma Launcher — excellent clear; deliberately patch isolated targets.
Highest geometry ceilingDisc Thrower — excellent clear and strong boss pressure when bounce paths stay reliable.

These are editorial ratings, not measured DPS rankings. “Best” depends on aim, arena geometry, co-op role and which encounter is ending the run.

Compare every weapon for Depth 30

All nine weapons compared for clear, boss pressure and safety at Deep Water 30.
WeaponClear / boss / safetyDepth 30 adjustmentStart build
Disc Thrower
Tier S
Excellent clear
Strong boss
Medium safety
Add shield or cooldown charms — the bounce damage carries you, but you still need to survive Depth 30 elite density.Open Creator →
Tesla Gun
Tier S
Excellent clear
Average boss
High safety
Golden Skin keeps you alive while Exponential Gold does the damage; pair with ice Blessings to freeze rooms when overwhelmed.Open Creator →
Plasma Launcher
Tier S
Excellent clear
Limited boss
Medium safety
Its weakness is boss single-target — use the Frozen route to create safe damage windows and Smiting Spear to keep direct pressure on the boss.Open Creator →
Brine Revolver
Tier S
Limited clear
Excellent boss
Medium safety
Bring a crit-chance floor so you are not RNG-reliant, plus a mobility charm (Supersonic) to reposition between boss phases.Open Creator →
Combat Bow
Tier A
Strong clear
Strong boss
Medium safety
Draw-speed mods matter more at Depth 30 so charge time does not get you cornered by fast elites.Open Creator →
Fish Deity
Tier A
Strong clear
Strong boss
Low safety
Keep an on-kill or explosion effect so clears cascade even when you are outnumbered.Open Creator →
Shotgun
Tier A
Strong clear
Strong boss
Low safety
Mobility and shielding are high priorities at Depth 30 because expanding boss attacks punish short-range entries without a reliable exit.Open Creator →
Harpoon Gun
Tier B
Average clear
Strong boss
Medium safety
Reload is the bottleneck. Stack reload-speed charms and mods so you keep firing through dense elite waves at Depth 30.Open Creator →
Engine Rifle
Tier C
Average clear
Limited boss
Medium safety
It has no gimmick to carry you — stack pure damage plus a survivability charm and expect to replace it before Depth 30.Open Creator →

A practical Depth 30 route

  1. Choose one damage engine. Build around a repeatable weapon–Aspect interaction instead of collecting unrelated high percentages.
  2. Repair the first gap. Tesla and Plasma need a boss answer; Revolver needs room clear; Shotgun and Fish Deity need a reliable exit.
  3. Protect the firing cycle. Reload, charge time, Heat, range and movement matter when their downtime overlaps a dangerous phase.
  4. Keep one flexible slot. Let the actual expedition decide whether the last slot becomes survival, control or direct boss damage.
  5. Audit the loss. Change the piece tied to the failed encounter, not the entire build after one attempt.

Build checks before the checkpoint

Room-clear check

Can the build remove small threats while still tracking an elite? If not, add spread, area, a summon or a control Ability.

Boss check

Does the build retain value with no kills and only one target? Prefer direct burst or Giant Slayer over another on-kill chain.

Safety check

Can you reload, charge or recover Heat without spending the dash needed for the next telegraph? If not, repair downtime.

Condition check

Distance, Weakspot, health and uninterrupted-fire bonuses count only when your normal play keeps the condition active.

Related planning tools

Bottomless Chasm

Shift from a fixed checkpoint to long-run adaptation.

Forge upgrade database

Search the exact weapon-upgrade trigger and effect.

Soul Wheel priorities

Choose progression by the recurring failure in your runs.