Shadow Spirit

Shadow Spirit changes your soul energy to the shadow's soul and endows it to you or your target (player). Consumes 1 soul energy. Increases their critical rate and attack speed for duration. However, this skill cannot be used on a target that already has another soul buff.
 * [Level 1]: Cri + 12 / ASPD + 1 / last 60 seconds
 * [Level 2]: Cri + 14 / ASPD + 1 / last 120 seconds
 * [Level 3]: Cri + 16 / ASPD + 2 / last 180 seconds
 * [Level 4]: Cri + 18 / ASPD + 2 / last 240 seconds
 * [Level 5]: Cri + 20 / ASPD + 3 / last 300 seconds