Thunderclaw — Catch a Monster Guide
Electric Mythic Tier A Boss / DPS
Last updated: 2026-07-09
Thunderclaw is the endgame boss added in Update 0.26. It spawns intermittently in the upper region of Blossom Haven Island. You need to complete the main storyline and reach at least level 50 to access the encounter. Defeat it for a chance at its egg.
Overview
| Element | Electric |
|---|---|
| Rarity | Mythic |
| Tier (July 2026) | A — Boss / DPS |
| Best mode | Endgame boss content |
| Drops | Thunderclaw boss rewards |
Where to Find Thunderclaw
Location: Blossom Haven Island — upper region (intermittent boss spawn)
Thunderclaw is the endgame boss added in Update 0.26. It spawns intermittently in the upper region of Blossom Haven Island. You need to complete the main storyline and reach at least level 50 to access the encounter. Defeat it for a chance at its egg.
Evolution
No evolution reported so far.
Materials: Boss drops feed into the SS Rank System progression added in the same update.
Planning an evolution? Use the Evolution Calculator to check the full recipe and see which materials you still need.
Is Thunderclaw Worth Using?
Yes as a trophy and a strong A-tier attacker. The fight itself requires a coordinated team — bring your best tank and healer.
Team synergy: Electric chain damage works best against grouped enemies; pair with a stun support like Undine or Kitsunine to keep the target still.
Alternatives: Mechavolt (Mythic electric DPS from Red Rift), Voltgator (budget electric option)
Thunderclaw FAQ
In the upper region of Blossom Haven Island. The boss appears intermittently rather than being permanently available, so check the area regularly or hop servers.
You need at least level 50 and must have completed the main storyline through the previous islands.
It was introduced in Update 0.26 as one of the most challenging encounters in the game. Bring a maxed tank, a healer, and interrupt skills.
Community tier lists place Thunderclaw in A tier — strong, but below the Eclipse Knight / Undine / Kitsunine core.