Specified Slot Card
Blue Planet
Explain Blue Planet, its card type, rank, limit, effect, and role in Hunter x Hunter's Greed Island arc.
Blue Planet Summary
A jewel shining in an unique blue. The structural composition is not of anything found on the earth, so the name was given as "A Gift from the Universe".
Blue Planet Guide
What is Blue Planet?
Blue Planet is a specified slot jewel described as a unique blue treasure whose composition does not match minerals found on Earth. It is one of the clearest examples of a Greed Island card as a rare real-world object.
Effect and usage
Its use is not tactical in the spell-card sense. Blue Planet is valuable because it can be materialized as a singular treasure, making it a natural candidate in discussions about which rewards would matter outside the game.
Why this card matters
The card matters because it broadens the value system. Greed Island cards are not only weapons and utilities; some are cultural, scientific, or economic objects whose worth depends on what the player wants after clearing the game.
Related cards
Blue Planet connects to other Greed Island cards through completion value, tactical utility, or system rules. Use the links below to compare similar effects and strategy roles.