Kyito (Kirito) Guide
The Virtual Realm God - master the infinite bleed strategy and Magician Card synergy.
Unit Overview
Base Stats
Rarity
Legendary
Base Cost
$500
Max Cost
~$5,700
Max SPA
0.3s
APS (Max)
3.33/sec
Best Trait
Astral
Upgrade Progression
Base Damage
172 → 954
SPA
2.3s → 0.3s
Bleed Unlock
Upgrade 2
Crit Bleed
200%
Magician Scaling
+20%/Card
Placement Limit
3-4 (Evolved)
Kyito (also known as Kirito, Korito, or Astro Kyo) represents a paradigm shift in Universal Tower Defense strategy. Based on Kirigaya Kazuto from Sword Art Online, this Legendary-tier unit isn't prized for his base damage—he's revered as the "Virtual Realm God" because of his unique interaction with the game's DoT stacking mechanics and the Magician Card system.
Unlike generalist units that rely on brute force, Kyito's kit is surgically designed to exploit specific mechanics of the Virtual Realm. His 0.3 SPA at max level means 3.33 attacks per second—each applying bleed stacks that persist and compound. When combined with Magician Cards (+20% DoT per card), Kyito achieves damage that theoretically scales to infinity, dissolving 22 million HP bosses in seconds.
Evolution & Build Path
Acquire Base Kyito
Obtain Kyito through standard Legendary banners. His relatively common rarity makes him accessible to most players, unlike Secret units requiring thousands of pulls.
Farm Evolution Materials
Collect: Flying Cabbage (x5) from Konosuba dungeon, Eyepatch (x10) from Tokyo Ghoul stages, Goddess Hairpin (x40) from raids, and Manatite Crystals (x750) from infinite mode.
Roll for Astral Trait
CRITICAL: Use Trait Rerolls to obtain Astral. This trait enables DoT stacking, extends affliction duration by 20%, and reduces cooldowns—all essential for the infinite bleed strategy.
Optimize Relics for Cooldown
Allocate 55-60% of relic potential to Cooldown reduction. The closer to the 0.25-0.3s animation floor, the more bleed stacks you maintain. Secondary priority: DoT Potency > Raw Damage.
Evolve to Astral Kyito
Complete evolution at EVO Area. Unlocks placement limit increase (3→4), "Heat Up" mechanic for ramping damage, and range buff for extended boss engagement.
Why Astral is Non-Negotiable
- • Affliction Duration (+20%): 5s bleed → 6s = 18 stacks instead of 15
- • Cooldown Reduction (-20%): Pushes SPA closer to animation floor
- • Stacking Unlock: Ensures new bleeds add to total rather than overwriting
The Virtual Realm Strategy
The Kyito guide centers on understanding why he dominates the Virtual Realm specifically. This roguelike mode features a Card System that fundamentally alters game math—and Kyito exploits it better than any other unit.
The Magician Card Synergy
The Magician Card grants +20% Damage Over Time per card collected. In a standard run, collecting 5-10 Magician cards yields 100-200% DoT multiplier.
Standard Run (8 Magician Cards):
Base Bleed × 1.6 (Astral Duration) × 2.6 (Magician 160%)
= 4.16x effective bleed damage
Why Kyito "Double Dips"
Most units deal "Direct Damage" that doesn't benefit from Magician cards. Kyito converts his damage into "Status Damage" (Bleed) via his passive. This means he benefits from:
- Attack Buffs: From Miku or relics, increasing base hit value
- DoT Buffs: From Magician cards, multiplying that value after application
No other unit utilizes this feedback loop as efficiently. Others might have burns or poisons, but they lack the 0.3 SPA required to stack rapidly, or they lack the specific "Crit Bleed" modifier Kyito unlocks at Upgrade 4 (200% Crit Bleed for 5 seconds with stackable DoT).
The Infinite Bleed Mathematics
At 0.3 SPA, Kyito strikes 3.33 times per second. With Astral extending bleed to 6 seconds:
Simultaneous Bleed Stacks:
3.33 attacks/sec × 6 sec duration = ~20 stacks
With 8 Magician Cards (160% DoT):
20 stacks × 954 base × 2.6 multiplier = ~49,608 DPS from bleed alone
Against 22M HP Boss:
Kill time: ~7-10 seconds
Card Priority Order
- Magician (Must Pick): Core of the strategy—always take when available
- Fortune/Uncapped Wealth: Increases placement limit for multiple Kyitos
- Efficiency: Economy boost to max Kyitos faster
- Death: Execution threshold for finishing wounded bosses
- Avoid: Raw damage cards like "Giant"—don't scale bleed effectively
Virtual Realm Playbook
Early Game (1-15)
- • Economy first (Speedwagon)
- • First Kyito at choke point
- • Corner placement ("U-turns")
- • Reroll for Magician card
Mid Game (16-35)
- • Max first Kyito by Wave 20
- • Deploy E6 Nagi for grouping
- • Place Miku for damage buff
- • "Infinite Buff Tech" with 2 Mikus
Late Game (36-50+)
- • 5-8 Magician cards collected
- • 3-4 Kyitos deployed
- • Space for continuous coverage
- • Watch 22M HP boss dissolve
The "Infinite Buff Tech"
Deploy two Mikus. Activate the second one's buff when the first's cooldown reaches 50%. This ensures Kyito maintains 100% damage buff uptime—critical for maximizing bleed base values that then get multiplied by Magician cards.
Kyito vs. The Meta
| Comparison | Kyito | Competitor |
|---|---|---|
| vs. Admiral | Stacking DoT (50k × 20 stacks/sec) | Single hit 1M, waits 5s. Kyito wins in VR; Admiral wins in Story. |
| vs. Ruler Secrets | Accessible (Legendary rarity) | 10x base stats but 0.006% drop. Built Kyito can out-DPS unbuilt Ruler in VR. |
| vs. Ragna | $5,700 total cost | $50,000+ cost. Kyito's cheap deployment = faster ramp in fast-paced VR. |
The "People's Champion": Kyito is a Legendary that performs at Secret-tier levels when properly built. He represents the best F2P investment for Virtual Realm progression.
Quick Reference
Relic Priority
Animation cap at ~0.25s—don't push SPA below this or attacks become "ghosts."
Evolution Materials
• Flying Cabbage (x5)
• Eyepatch (x10)
• Goddess Hairpin (x40)
• Manatite Crystals (x750)
Team Composition
Economy ramp for fast Kyito maxing
Infinite Buff Tech for 100% uptime
Confusion/stun groups enemies in range
Spaced for continuous boss coverage