Herald of Everfrost

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{{research|Does only the Boss freeze slowdown + boss freeze skull bypass can be used once per Boss skull per Boss tier, or just the Boss freeze skull bypass?}}

[[File:BTD6 IceMonkey EclipseAA.png|right|50px]]

Herald of Everfrost's activated ability, '''Eclipse of Fimbulwinter''',<ref name="52.0 patch notes">{{cite|url=https://www.reddit.com/r/btd6/comments/1pcs3tn/bloons_td_6_v520_update_notes/|title=Bloons TD 6 v52.0 - Update Notes!|publisher=Reddit|retrieved=3 dec 2025}}</ref> causes a visual effect that darkens the entire map, creates an global slow effect for 25 seconds, and after 5 seconds it freezes all Bloons on the screen and applies a [[Permafrost (BTD6)|permafrost]] effect for 10 seconds. The global slow effect slows Boss Bloons by 5%, BADs by 10%, and all other Bloons by 30%. The freeze status affects BADs and Boss Bloons, with the same effects, but lasting 5 seconds instead. Frozen BADs move at 2.25 units/s and Bosses move at half speed. The permafrost effect slows regular Bloons by 75% and slows MOAB-Class Bloons by 50%, but it doesn't affect BADs or Boss Bloons. It has a cooldown of 90 seconds and can only be used once per round, and the Boss freeze only works for one skull per Boss tier.

Herald of Everfrost's activated ability, '''Eclipse of Fimbulwinter''',<ref name="52.0 patch notes">{{cite|url=https://www.reddit.com/r/btd6/comments/1pcs3tn/bloons_td_6_v520_update_notes/|title=Bloons TD 6 v52.0 - Update Notes!|publisher=Reddit|retrieved=3 dec 2025}}</ref> causes a visual effect that darkens the entire map, creates an global slow effect for 25 seconds, and after 5 seconds it freezes all Bloons on the screen and applies a [[Permafrost (BTD6)|permafrost]] effect for 10 seconds. The global slow effect slows Boss Bloons by 5%, BADs by 10%, and all other Bloons by 30%. The freeze status affects BADs and Boss Bloons, with the same effects, but lasting 5 seconds instead. Frozen BADs move at 2.25 units/s and Bosses move at half speed. The permafrost effect slows regular Bloons by 75% and slows MOAB-Class Bloons by 50%, but it doesn't affect BADs or Boss Bloons. It has a cooldown of 90 seconds and can only be used once per round, and the Boss skull bypass only works for one skull per Boss tier.

Eclipse of Fimbulwinter has a special effect on Bosses where if a skull is triggered while they are frozen, the skull's effect will be negated, but the Boss will thaw early. This effect can only be used once per Boss tier. Specific interactions with Bosses are as follows:

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 {{research|Does only the Boss freeze slowdown + boss freeze skull bypass can be used once per Boss skull per Boss tier, or just the Boss freeze skull bypass?}}
 [[File:BTD6 IceMonkey EclipseAA.png|right|50px]]
-Herald of Everfrost's activated ability, '''Eclipse of Fimbulwinter''',<ref name="52.0 patch notes">{{cite|url=https://www.reddit.com/r/btd6/comments/1pcs3tn/bloons_td_6_v520_update_notes/|title=Bloons TD 6 v52.0 - Update Notes!|publisher=Reddit|retrieved=3 dec 2025}}</ref> causes a visual effect that darkens the entire map, creates an global slow effect for 25 seconds, and after 5 seconds it freezes all Bloons on the screen and applies a [[Permafrost (BTD6)|permafrost]] effect for 10 seconds. The global slow effect slows Boss Bloons by 5%, BADs by 10%, and all other Bloons by 30%. The freeze status affects BADs and Boss Bloons, with the same effects, but lasting 5 seconds instead. Frozen BADs move at 2.25 units/s and Bosses move at half speed. The permafrost effect slows regular Bloons by 75% and slows MOAB-Class Bloons by 50%, but it doesn't affect BADs or Boss Bloons. It has a cooldown of 90 seconds and can only be used once per round, and the Boss freeze only works for one skull per Boss tier.
+Herald of Everfrost's activated ability, '''Eclipse of Fimbulwinter''',<ref name="52.0 patch notes">{{cite|url=https://www.reddit.com/r/btd6/comments/1pcs3tn/bloons_td_6_v520_update_notes/|title=Bloons TD 6 v52.0 - Update Notes!|publisher=Reddit|retrieved=3 dec 2025}}</ref> causes a visual effect that darkens the entire map, creates an global slow effect for 25 seconds, and after 5 seconds it freezes all Bloons on the screen and applies a [[Permafrost (BTD6)|permafrost]] effect for 10 seconds. The global slow effect slows Boss Bloons by 5%, BADs by 10%, and all other Bloons by 30%. The freeze status affects BADs and Boss Bloons, with the same effects, but lasting 5 seconds instead. Frozen BADs move at 2.25 units/s and Bosses move at half speed. The permafrost effect slows regular Bloons by 75% and slows MOAB-Class Bloons by 50%, but it doesn't affect BADs or Boss Bloons. It has a cooldown of 90 seconds and can only be used once per round, and the Boss skull bypass<!--boss freeze works, skull bypass not--> only works for one skull per Boss tier.
 Eclipse of Fimbulwinter has a special effect on Bosses where if a skull is triggered while they are frozen, the skull's effect will be negated, but the Boss will thaw early. This effect can only be used once per Boss tier. Specific interactions with Bosses are as follows:

Herald of Everfrost: Difference between revisions