Arak Bali mixed with methanol.
When this has been noted there are 44 people who had to be treated in Sanglah Hospital. And there are 3 people who have died, after drinking arak containing methanol. Arak methanol was mixed dengang now secured police.
From the results of the laboratory, the wine contains 9% methanol. The content of methanol by it when consumed in large quantities can cause death. Remaining other arak containing methanol under 1%.
Ironically, the celebration of Galungan, which is a victory of Dharma (ugliness) against Adharma (Kindness), performed by an alcoholic binge. The celebration actually violate religious. And maybe that's a curse that must be accepted.