Sirene Primer+Daily Resources

14 spell points
5 essence
4 shadow points

spell points can be traded 2 for 1 essence or 1 for 1 shadow point
essence can be traded 1 for 2 spell points

At the start of each battle, she starts with 2 tension.  She can gain as much as 8 tension at a time.  Usually, she gains about 2 tension per turn.