Initiative Typical 12
Force +6 vs Target Resist
Target begins to feel their strength drain from their body, they feel weaker, may not be able to hold weapons or wear armour as before, takes minutes to come back.
Target loses 1d6 strength, 1 per combat round.
Each point returns over (40 - constitution) rounds.
Subsequent casting of spell on same target has lesser effect; d4, d2, d2-1, no effect.