This information will change accordingly. These stats are for Tier 2.
As of 2018 April (update 22.1), basic stats for Minstrel, before buffs, are:
Morale - minimum 75k.
Mitigations - 62k. Overcap if possible.
Outgoing Healing - ?
Critical - 71k
(If you have more to add or find the information faulty, please let me know.)