The new Eternity talismans/what do they do? what is their use? shawl of styx passive?

[BJDGR-4010]

hello there troopers BJDGR-4010 here
it has come to my notice that there is a new 5 set available now during the sac event.After you have assembled you 5 set can anybody explain to me what it does exactly,i am unable to find out what is its ability and has anybody seen before that shawl of styx passive?

[Liu]

Ferryman's passive - don't put it on him