I know what I said and I stand by it.  I didn't pull for the pair.  But with over 120 voids and 43 from garanteed pity and Siphi so high in my most wanted I figured I'd pull up to 43 till I got a leggo... I opened 30 and pulled her on the 29th.  No, I'm not piulling for a second Rotos hoping to get a leggo book.

Yeah, the surprise rewards are totally insane. 

Imagine you get a couple and than they have to fight for the one single leggo book you got from this....immediate emotional damage and divorce...

Seriously, I do ot know who is responsible for this kind of promting events...but it very clearly is not in the least motivating for me. 

Just a quick calculation (which is very inaccurate):

With 200 void shards and 16 sacred shards, you have an about 2 % chance to get a couple (see video of nubkeks, I just take his numbers). That is about 1000$ to get a 2% chance. If we assume a 50% chance to be necessary, I calculate the chance as follows:

 0.98^n  <=0,5 (presenting 50%) with n representing the number of 2% chances. This is true for n =35.

n= 35 means you need about 35.000$ to have a 50% chance to get a couple. 

Everybody can decide by himself whether this is worth it....for me, it is not....