Rune stat constants.
Includes all stats a rune can have. For unit stats, see\$STAT_ID.
HP
HP (flat).
HP_P
HP (percent).
ATK
Attack (flat).
ATK_P
Attack (percent).
DEF
Defense (flat).
DEF_P
Defense (percent).
SPD
Speed.
CRR
Critical Rate.
CRD
Critical Damage.
RES
Resistance.
ACC
Accuracy.