Simplify the following text for a Grade 10 native English-speaking person.
Original: Some texts do not invoke the gods , however , but merely list the targets of the curse , the crimes or conditions upon which the curse is valid , and\/or the intended ill to befall them .
Simplified: Some texts do not invoke the gods , but merely list the targets of the curse , the crimes or conditions when the curse is valid , and\/or the intended ill to befall them .