Flux of Skin - Fate Fire Shifter Dragon: World on Fire Series One, #2

Two millennia of battling malicious Fates, Shifters, and Burners have taken their toll. All Ladon wants is to leave his violence behind and to live a nice, quiet life with his Dragon and his beloved Rysa. We don't always get what we want. When a vicious group of Shifters rains death down onto everyone Ladon loves, Rysa's developing abilities turn into a raging cyclone. Her body - and his mind - rip apart.
Violence edges back in. But Ladon needs to find the strength to save his family before his rupturing soul destroys everything.. Enter the explosive, genre-bending World on Fire universe where Science Fiction meets Urban Fantasy: Dragons, immortal warriors, family, love. and unknown science so advanced it's indistinguishable from magic.