- Damage varies with Ramuh's TP.
- Has a 30% INT modifier.
- How to Obtain
- On Horizon, this Blood Pact is obtained through a level 75 solo trial rather than with Merit Points.
- Speak to Lacia in Mhaura at (I-9
), beside Ripapa, to begin the quest.
- After defeating Ramuh Prime, do not use the battlefield teleport. Examine the Lightning Protocrystal again to learn Thunderstorm.
- Battle Strategy
- This is a higher-level solo version of Trial Size Trial by Lightning.
- Be prepared to face-tank Ramuh between summons. A portion of the enmity generated by Blood Pacts is inherited by the Summoner.
- Use Titan against Ramuh, as Ramuh is weak to earth and absorbs lightning.
- A reported successful setup for this series of trials used a Vile Elixir +1, a Hi-Ether +1, at least three Yagudo Drinks, and Tuna Sushi.
- The Vile Elixir +1 did not inflict Medicated, while the Hi-Ether +1 did.
- Keep Stoneskin and Blink active throughout the fight.
- Summon Titan, use a Blood Pact, and create as much distance as possible. When Titan is nearly defeated, prepare to resummon and repeat the process.
- Judgment Bolt has an exceptionally large effective range, reported to reach approximately 30–35 yalms, and may be used while Ramuh is between roughly 40% and 60% HP.

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