Ancient Mithral Dragon
If the dragon fails a saving throw, it can choose to succeed instead.
Ancient mithral dragons can choose to retain the mithral shards of their breath weapon as a hazardous zone of spikes. Treat as a spike growth zone that does 2d8 magical slashing damage for every 5 feet travelled.
Actions
A mithral dragon can spit a 60-foot-long, 5-foot-wide line of metallic shards. Targets in its path take 59 (17d6) magical slashing damage and lose another 10 hit points from bleeding at the start of their turns for 6 rounds; slashing and bleed damage is halved by a successful DC 21 Dexterity saving throw. Only magical healing stops the bleeding before 6 rounds. The shards dissolve into wisps of smoke 1 round after the breath weapon’s use.
Each creature of the dragon’s choice that is within 120 feet of the dragon and aware of it must succeed on a DC 21 Wisdom saving throw or become frightened for 1 minute. A creature can repeat the saving throw at the end of its turn, ending the effect on itself on a success. If a creature’s saving throw is successful or the effect ends for it, the creature is immune to the dragon’s Frightful Presence for the next 24 hours.
Legendary Actions
Ancient Mithral Dragon
Not yet described
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