PoE2 skill gem

Siege Ballista

Deploy a Ballista Totem that fires bolts skyward, to explode a short time after landing.

Current data

Catalog version 0.5.4d

No direct 0.5 patch change is linked to this page. The displayed values are current for catalog version 0.5.4d.

Effects

15 effects

Ballista

Artillery

Explosion

Requirements and restrictions

2 requirement groups
Player requirementsLevel (1-90), (4-86) Str, (4-86) Dex
Weapon or skill requirementCrossbows
Source requirement text

Requires: Level (1-90), (4-86) Str, (4-86) Dex

Requires: Crossbows

Gem level progression

40 levels
Siege Ballista levels 1 to 20
LevelRequires LevelStrDexManaBase DamageTotem gains {0:+d}% to all Elemental ResistancesTotem gains +{0}% to Chaos Resistance
104418100%, 100%, 100%, 25%, 50%0Not applicable
237720100%, 100%, 100%, 27%, 55%0Not applicable
369923100%, 100%, 100%, 30%, 60%0Not applicable
410131327100%, 100%, 100%, 33%, 65%0Not applicable
514171730100%, 100%, 100%, 35%, 70%0Not applicable
618202034100%, 100%, 100%, 38%, 75%0Not applicable
722242438100%, 100%, 100%, 40%, 80%0Not applicable
826282842100%, 100%, 100%, 42%, 84%0Not applicable
931323247100%, 100%, 100%, 44%, 88%0Not applicable
1036373751100%, 100%, 100%, 46%, 92%0Not applicable
1141414157100%, 100%, 100%, 48%, 95%0Not applicable
1246464662100%, 100%, 100%, 50%, 99%0Not applicable
1352515168100%, 100%, 100%, 52%, 103%5Not applicable
1458575774100%, 100%, 100%, 54%, 107%155
1564626281100%, 100%, 100%, 56%, 111%2510
1666646488100%, 100%, 100%, 58%, 115%3515
1772707095100%, 100%, 100%, 60%, 119%4520
18787575103100%, 100%, 100%, 62%, 123%5525
19848080112100%, 100%, 100%, 64%, 128%6530
20908686121100%, 100%, 100%, 66%, 132%7535
Beyond level 20, 20 levels
Siege Ballista levels beyond 20
LevelRequires LevelStrDexManaBase DamageTotem gains {0:+d}% to all Elemental ResistancesTotem gains +{0}% to Chaos Resistance
21Not applicableNot applicableNot applicable131100%, 100%, 100%, 68%, 136%7535
22Not applicableNot applicableNot applicable141100%, 100%, 100%, 70%, 141%7535
23Not applicableNot applicableNot applicable152100%, 100%, 100%, 73%, 145%7535
24Not applicableNot applicableNot applicable163100%, 100%, 100%, 75%, 150%7535
25Not applicableNot applicableNot applicable175100%, 100%, 100%, 78%, 155%7535
26Not applicableNot applicableNot applicable188100%, 100%, 100%, 80%, 160%7535
27Not applicableNot applicableNot applicable202100%, 100%, 100%, 83%, 166%7535
28Not applicableNot applicableNot applicable217100%, 100%, 100%, 86%, 171%7535
29Not applicableNot applicableNot applicable232100%, 100%, 100%, 88%, 177%7535
30Not applicableNot applicableNot applicable248100%, 100%, 100%, 91%, 183%7535
31Not applicableNot applicableNot applicable265100%, 100%, 100%, 94%, 189%7535
32Not applicableNot applicableNot applicable284100%, 100%, 100%, 98%, 195%7535
33Not applicableNot applicableNot applicable303100%, 100%, 100%, 101%, 202%7535
34Not applicableNot applicableNot applicable323100%, 100%, 100%, 104%, 208%7535
35Not applicableNot applicableNot applicable345100%, 100%, 100%, 108%, 215%7535
36Not applicableNot applicableNot applicable368100%, 100%, 100%, 111%, 222%7535
37Not applicableNot applicableNot applicable392100%, 100%, 100%, 115%, 230%7535
38Not applicableNot applicableNot applicable418100%, 100%, 100%, 119%, 237%7535
39Not applicableNot applicableNot applicable445100%, 100%, 100%, 123%, 245%7535
40Not applicableNot applicableNot applicable473100%, 100%, 100%, 127%, 253%7535

Quality effects

3 effects

Ballista standard quality

Explosion standard quality

Advanced Thaumaturgy

This is the additional quality effect granted while the Gemling Legionnaire passive is allocated. The main value below is shown at 20% gem quality. Compare all gem bonuses.

Compatible support gems

32 source records
Show 8 more compatible gems
Compatibility rules

Active Type: ProjectilesFromUser, Trappable, Mineable, SummonsTotem, SummonsAttackTotem, TotemsAreBallistae, UsableWhileMoving, Limit, Duration

Acquisition

1 sources
  • Uncut Skill Gem: Uncut Skill Gem Tier 9

How to engrave this skill

1 category
Crossbow, tier 9

This skill becomes available when engraving an Uncut Skill Gem of level 9 or higher. The resulting skill uses the selected Uncut Skill Gem's level.

Open Crossbow

Vaal Orb outcomes

4 outcomes / 0 enchantments

Vaal Orb can corrupt Siege Ballista. One applicable outcome is selected, and the item normally cannot be modified again by ordinary crafting.

01
No change.
02
Permanently add or subtract one gem level. This is retained when upgrading the gem level using an uncut gem. Max level gems can exceed their normal maximum this way, but cannot go below Level 1.
03
Add or remove a socket.
04
±10% to Quality, up to 23%.
View every corruption outcome and enchantment

Patch history

4 changes
0.4.0
Direct change

Siege Ballista no longer grants 50% increased Damage against Immobilised Enemies, now grants 25% more Damage against Immobilised Enemies.

0.3.0
Direct change

Siege Ballista grants 50% increased Damage against Immobilised Enemies.

0.3.0
Direct change

Shockwave Totem, Ancestral Warrior Totem, Artillery Ballista and Siege Ballista now use your equipped weapon(s). They no longer have their own flat damage, base critical hit chance, or base attack time.

0.3.0
Direct change

Artillery Ballista: Has been renamed to Siege Ballista. Now has a duration of 8 seconds (previously 16). Bolts Attack Speed is now 25% of base, and Bolts now Deal 25-66% Attack Damage (previously 30-79%). Bolt Explosion radius is now 1.4 metres (previously 1.8). Explosion now deals 50-132% Attack Damage (previously 70-185%). Quality now provides +0-0.3 metres to Bolt Explosion radius (previously Totem base attack time is 0 to -0.4 seconds).