Currently 25k dry on Zombie champion scroll. Multiple drops that are rarer than the 1/5000 scroll drop rate, including a drop that's not on the wiki (mith bar). Close to giving up -
Two 1/5000 drops at fire giants, thank god it wasn't a useless 1/5000 like vissy or dwh : r/2007scape
Found All Champion Scrolls + Best Spots to Kill Each Dropper : r/2007scape