Well.. its no destiny
destiny still out perform Fortune set at the moment after quite a few pvp tests
Fortune's mitgation doesn't hold up on a blocker unless the blocker has another damage mitigating set(shell).
Outside of blocking but in terms of team sustain and mitgation Oracle is better than Fortune
destiny already posess 20% reduction (for the whole team might i add) compared to the 40% of Fortune so the advantage of Fortune is quite low compared to Destiny
sure fortune perform well aginst multi hits, but destiny perform EVEN better aginst multi hits
the only niche is reduce pressure on blocker if player does not posess oracle talismen which does slightly better job than fortune in this reguard
I think the Fortne set should be changed to a 3 set and maybe reduce the damage reduction to 30% and heal to 3% to compensate
few fun ideas can be build upon a 3 set such as using 2 fortunes can result in 60% reduction and 6% healing making a tanky pure blue talismen set (would make it better than Oracle in single character tankiness suituation but Oracle better for team sustain)
or fortune + sacrifice set for a solid first turn blocker with weaker but consistant sustain (but less powerful) compared to destiny