(!1145) Flyers Heal

Description

• Eagles Nest and Dragon Nest, healing reduced to 0.9% (from 3%), ping delay reduced to 2s (from 3s) and now stacks with Eagle and Drogoth's auto-heal
• Fortress Eagle auto-heal now works at level 1 (was at level 2)

Checklist

I have:

• Tagged my change with the ;,; comment block.
• Ensured that this merge request changes exactly one thing.
• Attached the proper labels to this merge request.
• Added the Merge Request number in the title. e.g. (!42)
• Added a devlog entry for this change.
• Tested my code.