User blog comment:BlauesWasser/Pran - Powerful Repeating Array Notation/@comment-80.98.179.160-20180307125618/@comment-30754445-20180308153401

Well, PRAN(PRAN(PRAN(PRAN(PRAN(10^100))))) won't be much of an imporvement. It will be around {10,6,2,2} in BEAF (or L6).

As usual, there's a limit to how far we can go but just repeating the same function again and again.