It’s not really based on any specific aswang, but takes some elements from various pieces of folklore. But generally, it is a tall, shadowy, eerie figure that you could imagine prowling the forests at night or hanging around a balete tree. The rest of the appearance I will leave it up to the player.
As of now, the beastial forms will affect the stats and come with their own bonus ability. The game will have 5 skills: Physique, Finesse, Instincts, Tactics, and Subtlety.
By default, the player’s Physique will be maxed out when in their beast form. As a bonus, their chosen form will also provide a moderate boost to another stat, but it will also decrease another stat. Do note that these will only apply when in beast form.
For example, the “Muscular Form” (similar to Hulk or She-Hulk) will grant a bonus to Finesse, but since I imagine it as the largest of the four forms, it cannot hide that well, so it will decrease Subtlety. The “Aswang Form” will grant a bonus to Subtlety, but may decrease Finesse.
I think this could also make nice roleplay opportunities. Your human mode can be completely different from the monster form. You can be subtle and weak as a human but loud and strong as a beast.
I’m also considering giving a “bonus power” to each of these. The Muscular Form can maybe jump a high distance and break walls while the “Reptilian Form” can stick to walls and ceilings, but I am still on the fence about this.
Lastly, another narrative element the player can determine is an “incident” they had with their powers. Maybe they unleashed it in a family argument, straining their home life, maybe while training they injured a fellow cadet, adding some baggage to the player.