Pentagram drops from Box of Kundun 1-5

It can also be Excellent with 1-3 options (it is not improved by Excellent and Evolution stones)

It can have different elements

Pentagram can be sharpened with Jewel of Mistyc stones up to +15

Petragrams come in levels 1 to 6. To increase the level of a Pentagram, you will need a Pentagram +15 and an "Upgrade Pentagram Scroll".

After upgrading, the Pentagram will gain a new level, and its sharpening will drop to 0.