RELL SEAS WIKI

[ Opp E. Heimer ]

Observation[UPDATED - 2026-07-06]
Opp E. Heimer
[TYPE]Haki Card
[PARODY OF]J. Robert Oppenheimer
[CARD EFFECT]Future Sight Ability, allows 8 dodges
[OBTAINMENT][Not published]
[WHY EQUIP IT]
Future Sight Ability, allows 8 dodges

Lore

Opp E. Heimer is an Observation Haki ability which allows the user to dodge 8 incoming attacks. The player can enable this mode by pressing the Opp E. Heimer keybind. Once enabled there is a 15 second cooldown until it can be used again. It is currently details pending whether certain attacks cannot be dodged.

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[REAL-WORLD PARODY]
This card parodies J. Robert Oppenheimer - part of the naming convention where cards reference renowned historical figures.
[EDITOR NOTE]
This page refers to an Observation Haki Card named after a parody of a historical figure, not a traditional NPC character. Exact values such as damage, cooldowns, HP, drop rates, and spawn timers stay pending until primary-source evidence confirms them clearly.

Frequently asked questions

What is the Opp E. Heimer card in RELL Seas?

Opp E. Heimer is an Observation Haki ability which allows the user to dodge 8 incoming attacks. The player can enable this mode by pressing the Opp E. Heimer keybind. Once enabled there is a 15 second cooldown until it can be used again.

What does the Opp E. Heimer card do in RELL Seas?

Future Sight Ability, allows 8 dodges.

What Haki type is the Opp E. Heimer card?

Opp E. Heimer is an Observation Haki Card. You can equip up to 6 Haki Cards of a type at once to customise your build.

Who is the Opp E. Heimer card a parody of?

Opp E. Heimer is a parody of J. Robert Oppenheimer.