Scorpion's Touch - Combat

[qui] Strike: hand strike or use a melee weapon strike and put this card on the opposing minion. The attached minion gets -1 strength (this does not affect the current strike resolution). Vampires can burn this card as a +1 stealth action. A minion can have only one Scorpion's Touch.
[QUI] As above, and the attached minion burns 1 blood or life during their unlock phase.