Kyrian
Obolo - Interesting ability that applies a dot to your target, if your target dies while the dot is active you generate 5 Soul Shards. If they survive, the cooldown is refreshed. There are numerous scenarios where this spell could be very useful as you can end up having very high uptime on this dot. You can also gain quite a few Soul Shards over the chorus of an encounter or even a full dungeon.
Evocazione: Factotum - Not very interesting ability, but can situationally be useful as well.
Necrolord
Dardo della Decimazione - An "execute-style" ability that buffs your next 3
Incenerimento casts.
Dardo della Decimazione and the bonus to
Incenerimento both increase the lower health your target has. This is looking to be the "go-to" option for raiding as of right now.
Forgiatura della Carne - An absorb on a 4-second channel, buffed by channelling near a corpse. This ability isn't game-breaking as Warlocks already have quite a few damage reductions and shields available, but it does add another layer of defensiveness that can prove to be useful in a lot of scenarios.
Night Fae
Putrefazione d'Anima - Alternative AoE ability that could prove to be good. However, with this being capped to 4 targets it's not very likely you will end up utilizing the
Risucchio di Vita part of this ability.
Animorfosi - Kind of an interesting mobility option that may end up being useful, but with already having
Rapidità Bruciante,
Circolo Demoniaco and
Varco Demoniaco available it's hard to say how useful this is actually going to end up being. Very situational.
Venthyr
Catastrofe Imminente - This is an interesting ability as it provides you with a spell that applies either
Maledizione delle Lingue or
Maledizione della Debolezza to all enemies within 12 yards of the target. This could prove to be very useful in a number of mythic+ pulls to reduce the damage dealt by set pack.
Porta delle Ombre - This teleport ability can be very useful both in Mythic+ and in raids. It can be used to skip difficult packs of mobs or to avoid raid mechanics. This can prove to be a very strong ability in a lot of content.