The Thunderclap Codex is a Demon Unique tome with no boss attached: any drop at Threat 9 or higher can turn out to be it, and at that Threat 0.8% of what falls comes up Unique. It is built on Fine Thunderhead Tome — step 4 of the Thunderhead Tome line, item level 45 and up.
It always rolls the same numbers: +15 Power, +9% Storm Damage, +7% Storm Damage, +10% Shock Effect, +18% Cooldown Recovery, +24% Ultimate Generation and +32% Storm Damage.
On top of that it carries The Thunderclap Codex — Your Special applies Shock.
It leans into Shock.
It is Demon Gate loot.
Wearing it hands you Tome Pulse.
“Read aloud only once, and never indoors.”
Item text
as it reads in game
+15 Powerbase
+9% Storm Damagebase
+7% Storm Damage
+10% Shock Effect
+18% Cooldown RecoveryT5 · 9–10 · over the usual range
+24% Ultimate GenerationT5 · 21–26
+32% Storm DamageT5 · 14–17 · over the usual range
The Thunderclap Codex — Your Special applies Shock.
The numbers it locks in
the same on every copy
| Affix | Tier | Value | Normal range |
|---|---|---|---|
| Cooldown Recovery suffix | T5 | +18% | 9–10 |
| Ultimate Generation suffix | T5 | +24% | 21–26 |
| Storm Damage prefix | T5 | +32% | 14–17 |
The part the stats don't show
what makes it worth hunting
The Thunderclap Codex
Your Special applies Shock.
1 effect: status
Plays with
what to build around it
Found inDemon Gate
StatusesShock
Other Unique tomes
7 to compare
