What is an alternative word for 'repercussions' that has a positive denotation rather than a negative denotation / connotation?
You should consider fluke.
ODO:
fluke NOUN
An unlikely chance occurrence, especially a surprising piece of luck.
‘their triumph was no fluke’
Macmillan:
fluke NOUN [COUNTABLE] INFORMAL
something that happens unexpectedly because of an accident or good luck
I think their last win was just a fluke.
Also, serendipity.
ODO:
serendipity NOUN
The occurrence and development of events by chance in a happy or beneficial way.
‘a series of small serendipities’