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Wouldn't the esteemed Jin AmberSoler kindly clarify how accurate the damage calculation formula D(sum)=[D(bas)+MD(bas)+M(of)+M(luck)]*[1-M(def)] is, specifically:
For a weak monster against a strong one, with luck (and no other modifiers), the minimum D(sum)=[D(bas)-0.7D(bas)+M(luck)]=1.3D(bas), meaning luck provides a +333% bonus to the base damage, and in the reverse case, the maximum D(sum)=[D(bas)+3D(bas)+M(luck)]=5D(bas), meaning luck provides a +25% bonus.
I've never really paid attention to this, and naturally, I haven't verified it.
For a weak monster against a strong one, with luck (and no other modifiers), the minimum D(sum)=[D(bas)-0.7D(bas)+M(luck)]=1.3D(bas), meaning luck provides a +333% bonus to the base damage, and in the reverse case, the maximum D(sum)=[D(bas)+3D(bas)+M(luck)]=5D(bas), meaning luck provides a +25% bonus.
I've never really paid attention to this, and naturally, I haven't verified it.