←BACK TO CAT GUIDE 
RARE · A TIER
AKU RESEARCHER
RARE B
ROLE & USE
⚙️
Anti-Metal
Critical Hits ignore Metal defense.
🎯
Long Range
Strikes from 400 range; also pierces Aku Shields.
⚔️
Attacker
Fast, high-DPS ranged damage in True Form.
COMBAT STATS
Lv.30, +300% EoC Treasures (base = Lv.1)
HP
3,400
base 200
ATK
645
base 38
DPS
552.86
base 32.57
RANGE
400
ATK FREQ
1.17s (35f)
SPEED
10
KNOCKBACK
100
RECHARGE
19.2~28s
OVERVIEW
Cyclone-stage Rare. A long-range (400) attacker with a 15% chance to instantly pierce Shields and a 6% Critical Hit — handles both Aku Shields and Metal from the back line.
PROS
- 15% Shield Pierce (vs Aku Shields)
- 6% Critical Hit (hits Metal)
- Very long range (400)
CONS
- Very low HP (200 base)
- Very long recharge (~19-28s)
- Both abilities are RNG
ABILITIES
6% chance to Critical Hit 15% chance to pierce Shields
RARE B
ROLE & USE
⚙️
Anti-Metal
Critical Hits ignore Metal defense.
🎯
Long Range
Strikes from 400 range; also pierces Aku Shields.
⚔️
Attacker
Fast, high-DPS ranged damage in True Form.
COMBAT STATS
Lv.30, +300% EoC Treasures (base = Lv.1)
HP
6,800
base 400
ATK
885
base 52
DPS
758.57
RANGE
400
ATK FREQ
1.17s (35f)
SPEED
10
KNOCKBACK
100
RECHARGE
19.2~28s
OVERVIEW
Evolution at level 10 — higher HP and damage, same Shield Pierce + Critical at long range.
PROS
- 15% Shield Pierce
- 6% Critical Hit
- Very long range (400)
CONS
- Low HP
- Very long recharge
- Both abilities are RNG
ABILITIES
6% chance to Critical Hit 15% chance to pierce Shields
RARE A
ROLE & USE
⚙️
Anti-Metal
Critical Hits ignore Metal defense.
🎯
Long Range
Strikes from 400 range; also pierces Aku Shields.
⚔️
Attacker
Fast, high-DPS ranged damage in True Form.
COMBAT STATS
Lv.30, +300% EoC Treasures (base = Lv.1)
HP
10,200
base 600
ATK
885
base 52
DPS
1,896.43
RANGE
400
ATK FREQ
0.47s (14f)
SPEED
33
KNOCKBACK
100
RECHARGE
19.2~28s
OVERVIEW
True Form. Much faster (speed 33, 0.47s cycle) and far higher DPS, keeping 15% Shield Pierce + 6% Crit at 400 range — a strong ranged answer to Aku Shields and Metal.
PROS
- 15% Shield Pierce + 6% Crit
- ~1,896 DPS at 400 range
- Very fast (speed 33)
CONS
- Low HP for a frontliner
- Very long recharge
- Abilities still RNG
ABILITIES
6% chance to Critical Hit 15% chance to pierce Shields
VIDEOS
Battle Cats - The Greatest Diablo!! (Aku Cyclone Revenge) [Cat Researcher Quick Review]
Chillhola · 2023 · Watch on YouTube ↗
Battle Cats - Aku Researcher's True Form Review [ Cat Researcher ]
-EiEiXD- · 2023 · Watch on YouTube ↗
Community videos found by title, channel and date — not verified by Claws' Den. Nothing loads from YouTube until you press play. Find more on YouTube ↗
RECOMMENDED IN THESE STAGES
Stages where this cat is in CATS TO BRING, guide clears first — top 24 of 41.
Aku's Melody Temptation's Symphony Wiki picks Delusional Heartbeat Lv.6–10 True Assassin's Gauntlet Community picks Wrath of Hell (Merciless) The Great Diablo Wiki picks Fury of Hell The Great Diablo Wiki picks Century's End The Crazed Cat Wiki picks Apocalypse The Crazed Bird Wiki picks Adrift in Fear The Crazed Fish Wiki picks Titanic Rampage The Crazed Titan Wiki picks Las Vegas Empire of Cats Ch.1 Out-range Teacher Bear Las Vegas Empire of Cats Ch.2 Out-range Teacher Bear Las Vegas Empire of Cats Ch.3 Out-range Teacher Bear Greece Into the Future Ch.1 Out-range Metal Hippoe 1-2 Return of Terror Stories of Legend · 1 — The Legend Begins Out-range Metal Hippoe 16-5 Parasol Field Stories of Legend · 16 — Low Tide Beach Out-range Teacher Bear 18-4 Dead Falls Stories of Legend · 18 — Jail Break Tunnel Out-range Sir Metal Seal 20-2 Utopia is Over There Stories of Legend · 20 — Silk Road Out-range Sir Metal Seal 25-1 Valkyrie Plains Stories of Legend · 25 — Scars of War Out-range Metal Doge 28-2 Knights of the Round Stories of Legend · 28 — Weak & Mildly Acidic Out-range I.M. Phace Ghost King I Invasion of the Swamplord Out-range Kappy Kawano Ghost King II Invasion of the Swamplord Out-range Kappy Kawano Ghost King III Invasion of the Swamplord Out-range Kappy Kawano Ghost King Finale Invasion of the Swamplord Out-range Kappy Kawano Schoolyard Clash The Holy Grail War Out-range Rin Tohsaka Midnight Interception The Holy Grail War Out-range Rin Tohsaka
+17 more stages