Your minions have +2 Health.
For more information, see Monster Hunt.
For Swift Messenger it only boosts the Health of the default form 2/6 to 2/8 causing it to become 8/2 when it alternates. It does not boost the usual 6/2 alternate to 6/4.
- Patch 220.127.116.1166 (2018-04-10): Added.