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Neutral creeps always get "pre-spawned" in their camps but remain hidden until the camp is empty at x:00 minute marks. However, when pre-spawning, they provide their aura for 0.5 seconds, affecting the creeps which are already in the camp. This reveals to the player which camp will be spawning next, based on which aura buff the current creeps in the camp receive.
Repro:
1. Go to an ancient creep camp (all 3 types of ancient camps have an aura)
2. Wait for the first ancients to spawn
3. Select one of the ancients which just spawned
3. Wait and observe their status buff
Result: At usually x:50 game, the selected creep gets affected by an aura of the other 2 possible ancient camps. For example, if the current camp is thunderhides, it may briefly receive the granite aura or dragonhide aura buff, despite the thunderhides being alone in the camp. If the thunderhide received the granite aura buff, then the next spawn after them will be granite golems. If the thunderhide received the dragonhide aura buff, then the next spawn will be dragons.
This affects every camp, not just the ancients. But it's most noticable with them since all 3 ancient camps have auras.
Expected: The aura buffs should not appear as the next camp pre-spawns.
Repro:
1. Go to an ancient creep camp (all 3 types of ancient camps have an aura)
2. Wait for the first ancients to spawn
3. Select one of the ancients which just spawned
3. Wait and observe their status buff
Result: At usually x:50 game, the selected creep gets affected by an aura of the other 2 possible ancient camps. For example, if the current camp is thunderhides, it may briefly receive the granite aura or dragonhide aura buff, despite the thunderhides being alone in the camp. If the thunderhide received the granite aura buff, then the next spawn after them will be granite golems. If the thunderhide received the dragonhide aura buff, then the next spawn will be dragons.
This affects every camp, not just the ancients. But it's most noticable with them since all 3 ancient camps have auras.
Expected: The aura buffs should not appear as the next camp pre-spawns.