Advanced format ruling
Nanobreaker
Card effect (current official text)If this card attacks a face-up Level 3 or lower monster, destroy the monster immediately with this card's effect without applying damage calculation.
Current rulings for this card are maintained by Konami.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Advanced forum — sourced change requests get reviewed.