Saber Alter
Saber Alter (also known as Corrupted Excalibur) is an S Tier Fighting Style released with the Alter Update on March 16, 2026. It features corruption-based abilities with high burst damage and wide AoE attacks.
How to Obtain
Location: Boss Island — Saber Alter Trainer NPC
Requirements:
| Requirement | Details |
|---|---|
| Title | Corrupt Tyrant (1% drop from Corrupted Knight boss) |
| Gems | 35,000 |
| Dark Grail | 25x |
| Morgan Remnant | 15x |
| Alter Essence | 8x |
| Corruption Core | 3x |
| Corrupt Crown | 1x |
F Move Unlock:
| Requirement | Details |
|---|---|
| Clan | Alter Clan |
| Weapon | Saber Alter weapon |
| Corruption Core | 9x |
| Dark Grail | 85x |
Talk to the second Saber Alter NPC on Boss Island after meeting all requirements.
Boss: Corrupted Knight
| Stat | Value |
|---|---|
| HP | 750,000,000 |
| Location | Boss Island (summonable) |
| Spawn Cost | Dark Grails + Cash + Gems (Normal=1, Hard=2, Extreme=4 Dark Grails) |
Abilities
| Move | Key | Description |
|---|---|---|
| Corrupt Slash | Z | Low-cooldown sustained DPS slash (ideal for sustained damage) |
| Dark Flurry | X | Rapid multi-slash combo |
| Excalibur Strike | C | High single-hit burst damage |
| Morgan’s Wrath | V | Wide AoE corruption blast |
| Alter Excalibur | F | Ultimate blast dealing millions of damage (requires maxed Melee stats) |
Stats
| Stat | Value |
|---|---|
| Rarity | Mythical |
| Tier | S |
| Stat Priority | Melee |
| Release Date | March 16, 2026 |
Strengths
- High burst damage with corruption-themed abilities
- Wide AoE coverage on V and F moves
- Z Move’s low cooldown enables sustained DPS
- C and V Moves deliver the biggest single hits
- F Move deals millions of damage at max Melee
Weaknesses
- Extremely expensive material requirements (35K gems + 85 Dark Grails for F Move)
- Corrupted Knight boss has 750M HP
- Corrupt Tyrant title is only 1% drop rate
- Alter Clan required for F Move unlock
Tips
- Farm Dark Grails from the Corrupted Knight boss or crafting
- The Z Move is ideal for sustained DPS, while C and V deliver the biggest single hits
- Max your Melee stat before attempting the F Move — it scales with full Melee investment
- Pair with SwordBlessed or Galevorn race for optimal melee builds