五行具 - 天上碑 @ ウィキ

等級別の強化成功確率
アイテム名	成功確率	失敗	0⇒3	3⇒5	5⇒12
五行具(下級)	15%	下落	0%	85%	0%
		維持	85%	0%	0%
		破壊	0%	0%	85%
五行具(中級)	25%	下落	0%	75%	0%
		維持	75%	0%	0%
		破壊	0%	0%	75%
五行具(上級)	35%	下落	0%	65%	0%
		維持	65%	0%	0%
		破壊	0%	0%	65%
五行具(特級)	45%	下落	0%	55%	0%
		維持	55%	0%	0%
		破壊	0%	0%	55%