Blox Fruits - Dark Blade

Here's the translation:

MUST READ BEFORE PURCHASING
NO REFUNDS / CANCELLATIONS

ENTER USERNAME, NOT DISPLAY NAME

- Mistakes in @username are not our responsibility
- Sent via Gift Global (no need to be on same server)

PURCHASING = AGREEMENT TO THESE TERMS

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Note: I kept the format similar to the original and maintained the capitalized headings. The translation is natural while preserving the meaning and tone of the original text.