Knock Knock Who's There Adventure title
Knock Knock Who's There is an Adventure title in AION 2. You earn it by completing the achievement “Verteron Stronghold Sweep V”: Clear 10 Strongholds in Verteron. How to get it: Achievements. Equipped, it gives Boss Damage Tolerance +2.7%. Owning it adds PvE Attack +2 to your title collection bonus.
Resolved the troubles of numerous strongholds across Verteron.
- Category
- Adventure
- Grade
- Rare
- Role
- Defensive
- Faction
- Elyos and Asmodian
- How to earn
- Achievement
- Source
- Achievements
Title bonuses
What Knock Knock Who's There gives when equipped and what it adds just by being owned.
When equipped
- Boss Damage Tolerance
- +2.7%
Collection bonus (owned)
- PvE Attack
- +2
You can equip three titles at once, one in each title slot, and every title you own adds its collection bonus.
How to earn Knock Knock Who's There
Knock Knock Who's There is the reward for the achievement “Verteron Stronghold Sweep V”: Clear 10 Strongholds in Verteron. The table shows its tiers and everything it pays out.
| Achievement | Tiers | Rewards |
|---|---|---|
| Verteron Stronghold SweepClear 1 Stronghold in Verteron | 1 / 3 / 5 / 7 / 10 / 15 | Title: Knock Knock Who's There1,230× Enhance Stone36,000× Kina (Bound) Resurrection Spiritstone (Bound) |
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How to get Knock Knock Who's There
Every recorded source of Knock Knock Who's There.
Other sources: Achievements
Other Adventure titles
175 titles in the Adventure category.
Data read from the AION 2 global client (build 0.0.4387.0). Updated for the Nov 4, 2026 patch. How we read the game files
Knock Knock Who's There is an Adventure title earned through the achievement “Verteron Stronghold Sweep V” (Clear 10 Strongholds in Verteron). Equipped it gives Boss Damage Tolerance +2.7%; owning it adds PvE Attack +2 to your collection bonus. 175 titles share the Adventure category.
See Also
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Knock Knock Who's There FAQ
How do I get the Knock Knock Who's There title in AION 2?
Complete the achievement “Verteron Stronghold Sweep V”: Clear 10 Strongholds in Verteron. Knock Knock Who's There is its reward, and the how-to-earn section lists every tier.
What does Knock Knock Who's There give when equipped?
Equipped, Knock Knock Who's There gives Boss Damage Tolerance +2.7%.
Does Knock Knock Who's There give stats without equipping it?
Yes. Owning Knock Knock Who's There adds PvE Attack +2 to your title collection bonus, even when another title is equipped.
Can both factions earn Knock Knock Who's There?
Yes. Knock Knock Who's There exists for Elyos and Asmodians.
How rare is the Knock Knock Who's There title?
Knock Knock Who's There is one of 233 Rare titles out of 543 titles in AION 2.
Can I mark Knock Knock Who's There as collected?
Yes. Use the Collected toggle at the top of this page. It counts towards your progress on the collection hub, is saved in this browser and syncs to your MetaBot account when you sign in.