Seems to be 50%, even if it has 3 abilities.
60 Lucarios
32 of them had Justified (HA)
15 had Steadfast
13 had Inner Focus.
60 Bronzong
29 had Heavy Metal (HA)
18 had Levitate
13 had Heat Proof
There are no spawn flags that I can find to check. Sorry for having to use box data. I am sure there is SOME flag somewhere, but raid crystal spawning criteria is complex, and all crystals spawn at the same time.
