Sephiria Greatsword Guide - Special Attack Builds and Every Evolution (1.0.30)

Patch check 2026-08-27 — reviewed against 1.0.30: nothing in 1.0.26–1.0.30 touches the greatsword family. Evolution recipes and effects below are current.

The greatsword is Sephiria’s heaviest-hitting melee family — and its identity is the special attack. While the katana wins through crit double-dips and the dagger through freeze control, greatsword routes can turn the Special button into the whole build. It’s one of the two S-tier families in the 1.0 meta, with the most forgiving beginner route in the game.

Why the greatsword is the special-attack weapon

Two pieces make the special-attack build work, and both are on this page:

• The Hypersensitivity line. Hypersensitivity gives +20% Special ATK DMG and 50% faster Special ATK charging. Its Tier 3s stack the special attack to absurd heights: Loving Gaze (+100% Special ATK crit chance), Negligence (special attacks charge instantly), and Black Iron Halberd (bigger range, +50% DMG on the other edge’s hit).
• The Absolute Ring artifact. It grants up to +30% Special ATK Range and evolves after killing 40 enemies with the Special Attack — the named piece behind the tier list’s “special button is the whole build” summary. The community’s most-liked greatsword build (Creaking Spine) pairs it with Amethyst and Rock Elephant.

Evolution tree

All names and effects below are community-compiled from Kean’s Sephiria Compendium (cross-checked against the game), current as of 1.0.30:

Upgrade-card gallery: the thumbnails at the bottom of this page include every greatsword upgrade tooltip card from Paddy’s Steam Community guide “Weapons and Miracles”. Those captures are from an older build (0.7.x) — use them to recognize nodes at a glance, not as current stat evidence. The table below is the 1.0.30 reference.

Tier 2	Effect	Tier 3	Effect
Frostbound Greatsword	+30% Cold DMG on Weapon ATKs	Greatsword of Exorcism	+33% DMG, +15% Charge SPD for Scabbard of Exorcism
		Eternal Frost Greatsword	Cold DMG raised to 55%; +15% Normal ATK Combo SPD
		Icicle Sword	80% chance to inflict Frostbite; +20% Freeze DMG
Wooden Club	+20% Normal ATK DMG; Dash ATK disabled	Spike Club	Crits launch 3 Piercing Spikes; more per +20% Crit DMG
		Mischievous Prank	Special becomes Leaf Explosion (750% Phys, 30 Leaf); Normal ATK DMG added in
Troubling Delight	All ATKs become Laser variants (Physical)	Pristine Form	+Normal/Dash ATK width; +25% both ATKs’ DMG
		Legacy of the Illusionist	+50 Grimoire Haste
		Lazarion	Special becomes Amethyst Conjuration: summon Amethyst (120% × avg DMG type as Void)
Hypersensitivity	+20% Special ATK DMG; charges 50% faster	Loving Gaze	+100% Special ATK crit chance; +50% Special ATK SPD
		Negligence	+15% Special ATK DMG; specials charge instantly (−15% SPD)
		Black Iron Halberd	+Special ATK range; other-edge hits +50% DMG, heal 0.7%
The Emberforged	+30% Fire DMG on Weapon ATKs	Red Snake Crush	Each swing cuts Red Snake Eyes CD by 2.5s; +33% its DMG
		Solis Cineris	Solar Blade fires two blades per swing; +36% Solar Blade crit DMG
Swarming Shadow	−50% Special ATK Charge SPD; +20% Normal ATK DMG	Swift Regret	Final Normal ATK repeats twice more; +10% Normal ATK DMG
Bone Gearblade	Special becomes Reassemble: +range, 1-hit Normal swings (25 MP); +15 + 50% DEF DMG per consecutive hit	Creaking Spine	Reassemble range up; +ATK SPD per consecutive hit (cap +35%)
Crimson Thorn	On hit: Wound (10 Chaos DMG/sec for 10s, 4 stacks)	Crimson Vortex	Normal/Dash become 3-hit combos (−60% each); +6 max Wound stacks
		The Inquisitor	Weapon DMG → Chaos; Special detonates all debuffs in 8 tiles (120 Chaos DMG each)
Lightning Greatsword “E2G”	+30% Lightning DMG on Weapon ATKs	Lightning Greatsword “S3G”	Weapon ATKs inflict Electrocution; +33% its DMG
		Lightning Greatsword “E3G”	+5 Storm Cloud every 5 attacks; +100% Storm Cloud ATK SPD on Special (5 stacks)

Naming note on the beginner line: the game’s display path for the community’s favorite defensive route is Steel Greatsword → Bone Mechanism Sword → Creaking Spine (see the Creaking Spine build page). Kean’s sheet lists the same Reassemble ability under the Tier 2 name Bone Gearblade — treat them as the same line.

Which route should you play?

• Special-attack monster (proven S-tier): Hypersensitivity → Loving Gaze or Negligence, stacked with the Absolute Ring artifact — this is the route the tier list calls out as the family’s ceiling. High skill ceiling, but the numbers are absurd.
• Beginner defense (most forgiving): Bone Gearblade → Creaking Spine — Reassemble turns your swings into slow, safe, scaling hits; the Creaking Spine build page runs it with Will/Patience 20 and the Valet Miracle. The lowest legendary-weapon dependence of any endgame route.
• Elemental on-hit: Frostbound Greatsword / The Emberforged / Lightning “E2G” keep the classic heavy-swing loop and add an element — simplest to pilot, each with a clear Tier 3 capstone (Eternal Frost, Solis Cineris, E3G’s Storm Cloud engine).
• Wound/Chaos nuker: Crimson Thorn → The Inquisitor converts the family into a debuff detonator — niche, but the only route that turns the greatsword’s weight into a screen-wide Chaos burst.

Sword & Shield: the sister family

Sword & Shield is its own Tier 1 family (not a greatsword branch) and the pick widely recommended as the strongest true beginner weapon — it now has a dedicated page with all 9 Tier 2 → 19 Tier 3 evolutions: Sword & Shield weapon guide. Three routes to know:

• Unity of Offense and Defense → Indomitable — the block-first line: Normal ATK guards 90° in front, then +33% Normal ATK DMG (Cleave off). The safe lane.
• Protection of the Fuzz → Frozen Fury — block econ into damage: successful blocks cut MP costs, and Perfect Guard gives +20% All DMG for 14s.
• Tiny Destruction → Grip of Fear — the offense-first shield: +40% Special ATK DMG scaling into a Rising Dread stack dump (+30% Special ATK DMG per stack).

For how the whole family ranks against the other five weapons, see the weapon tier list — the greatsword sits in S-tier as the special-attack pick.