LetLet's define cardinal $\kappa$ as hyper-Berkeley if for any transitive set $M$ such that $\kappa\in M$ there existexists an elementary embedding $j: M\prec M$ with fixed point $\lambda$ and $\text{crit}j\lt\lambda<\kappa$.
- Are hyper Berkeley cardinals equiconsistent with $\sf ZF$+"club Berkeley cardinal"?
- Are hyper Berkeley cardinals equiconsistent with $\sf ZF+BC$ (Berkeley cardinal)?