Iono's Wattrel #231 from Ascended Heroes is a holo illustration_rare card that currently sells for about $5.50 ungraded, with graded copies ranging from $8.36 at grade 7 to $48.00 at grade 10. TCGrader's AI has graded 3 copies of Iono's Wattrel (Ascended Heroes), averaging 9.2 overall. 100% scored 9 or higher, so clean copies are common and centering usually decides the top grades. A grade 10 copy sells for around $48.00, about 8.7× the $5.50 raw price, so high-grade copies are worth grading.