Asmak Suryani comes from Kanjeng Pangeran Diponegoro who have used it during previous war era. He was able to blow the power into beans and throw them on enemy The beans then turned into troop of soldier to fight the enemies. Other story said that Kanjeng Pangeran Diponogero was able to create bomb with this power and some relic of this fact are kept into a museum.

Here are some virtue of this multipurpose power :
Below are some examples of how it can be used.

Influencing thoughts ( Telepathy)
High-level authority
Always influential and powerful over anyone
The sharp eye emits the power of influence
Emitting an aura of allure, attraction, and extraordinary charm
Loved by everyone
A person is respected by their boss and his subordinates
Attract anyone's sympathy
Extraordinary courage
Melt anyone's anger
Treat possessed clients
Helps in treating medical and non-medical diseases
Magical healing for psychic diseases
Increase the power of existing healing science
Safety on land, sea and air
Prevents hypnosis and any negative energy
Home fences, shops, factories, gardens, etc.
Drive away unwanted guests
Control wild animals
Charge strength in others
Sharpen the sixth sense
Growing metaphysical and spiritual talent
Helps with kids focus to make them smarter
And much more

This is an advanced level javanese initiation - attunement so you will have a special mantra prayer in javanese/arabic to recite as main practice to activate this power. With the initiation (called pengijazahan in this tradition I will send the mantra using my empowered voice it means that I send you a special power from the mantra as I will activate the vach of the Akash of the mantra). There is mantra to chant intensively at least in the initiation period. You will be rewarded by your efforts as you will gain many benefits and powers, also the power is easy to activate after initiation process.