As we still don't have an estimate on the pull rate for banner or 5* capable heroes, let's share here our results:
Mine:
52X Summons (5 10x pulls + 2 single pulls)
Zedd (all jobs) -> 00
Seraphina (all jobs) -> 01
4* capable heroes (Seraphina Included) -> 13
5* capable heroes (Zedd included) -> 06
4* Pulls -> 08 (4 guarantee)
5* Pulls -> 00
EDIT 1: wrong typing (42 -> 52)