Demonic Frost Miner can die before his second phase

[Kmla2]

Round ID: 6952

Reproduction:

1. Grab crusher, max out damage (easy to do, backstabs because he dashes every 20 seconds)
2. Attack frost miner
3. Kill him before he triggers his trigger second phase (you are supposed to only kill him IN THAT second phase)
4. you get loot for killing a weak megafauna with 1500 health

Testmerges:

[#2655: '[DNM] Plexora' by flleeppyy at commit a5ecc3e](https://github.com//pull/2655) [#3139: 'Theseus' by t-toasted at commit 324f487](https://github.com//pull/3139) [#2711: 'Bomb-Actualizer' by ThePooba at commit 9a9319a](https://github.com//pull/2711) [#3301: 'A singular cooking recipe, and an overhaul of blood, temperature, and pain.' by dwasint at commit 766e67d](https://github.com//pull/3301) [#3392: 'Signboards!' by Absolucy at commit cb8bd3d](https://github.com//pull/3392) [#3413: 'Reverts mood change indicators' by Absolucy at commit 97ee988793](https://github.com//pull/3413) [#3303: 'Its time to go to heaven my child (Divine Warning)' by flleeppyy at commit a58af80](https://github.com//pull/3303) [#3367: '[PORTS] Ports portable gravity generator, main gravgen repair text, fixes gravity fields' by PotatoTomahto at commit e493e6e](https://github.com//pull/3367) [#3477: 'Remove snowflake conversion immunities' by RikuTheKiller at commit 8eee290](https://github.com//pull/3477) [#3481: 'Antag selection weighting fixups' by Absolucy at commit fe6d53c](https://github.com//pull/3481) [#3498: 'Makes the seed extractor UI a bit less laggy' by Absolucy at commit e9cf3c5](https://github.com//pull/3498) [#3503: '[Donator] Demon and Centcom Jacket' by CannibalHunter at commit 5f64cd7](https://github.com//pull/3503) [#3512: 'fixes malkavians not getting an objective when another vamp breaks the masquerade' by Absolucy at commit b014126](https://github.com//pull/3512) [#3508: 'Seedless now works for spliced plants' by Absolucy at commit dba84a7](https://github.com//pull/3508)

Info:

Best to just give them immortality when they have 30% or below health on phase one and change to second