Blu & Pangeran,
IMHO, the pencak master & the bomoh exploits can be categorized as either trickery or black magic (sihir / istidraj), or both. I would stay away from them if I were you.
Another thing, if a keris can simply be obtained thru suction / sedhotan, then I fear one day, empus, pandai keris, keris craftsmen will be out of job
