# Root Hydra Head

> Root Hydra Head, Burrowing, is boss 17 of 21 in tibo.dog. One of the Hydra's heads bursts from the ground, spits mud and sinks again. Every hit it takes now weakens the Hydra at 29:00.

Source page: https://www.tibodog.wiki/bosses/root-hydra-head · Wiki updated 6 Nov 2026, 03:55 UTC · Game version 75 (`main-CSuyb4iv.js`, data synced 5 Nov 2026, 21:45 UTC)

Breadcrumb: [Main page](/) › [Bosses](/bosses)

| Root Hydra Head | |
|---|---|
| Title | Burrowing |
| Order | 17 of 21 |
| Base HP | 2000 |
| Contact damage | 8 |
| Speed | 0 |
| Main attack | `sweep` every 4 s |
| Telegraph | 1.2 s |
| Bullet patterns | 1, every 3 s |
| XP | 0 |

**Root Hydra Head**, *Burrowing*, is a boss in tibo.dog. In-game description: “One of the Hydra's heads bursts from the ground, spits mud and sinks again. Every hit it takes now weakens the Hydra at 29:00.”

## Endgame encounter

This definition belongs to the [endgame phases](/endgame), not the ordinary minute-by-minute boss schedule. Root Hydra head, mire, frenzy and stump entries are encounter parts/forms. The raw attack and HP definitions below do not include family-specific rules or protection.

## Main attack

| Parameter | Value |
|---|---|
| `kind` | sweep |
| `lanes` | 1 |
| `width` | 36 |
| `length` | 320 |

## Bullet patterns

| Pattern | Count | Bursts | Bullet damage | Speed | Telegraph (s) | Extra |
|---|---|---|---|---|---|---|
| `ring` | 14 | 1 | 8 | 62 | 1 |  |

## Names in other languages

**Verified**: the name the game shows when another language is selected in Settings, from its translation files. [i18n-ja-content-DO6GrqHt.js: `"content.boss.root-hydra-head.name":["根のヒドラの首"]`] See [Languages](/controls#languages).

<details class="raw"><summary>Show names in 26 languages</summary>

| Language | Code | Name | Title |
|---|---|---|---|
| 简体中文 · Simplified Chinese | `zh-CN` | 根须九头蛇之首 | 潜地 |
| 繁體中文 · Traditional Chinese (Taiwan) | `zh-TW` | 根鬚九頭蛇之首 | 潛地 |
| 日本語 · Japanese | `ja` | 根のヒドラの首 | 潜行 |
| 한국어 · Korean | `ko` | 뿌리 히드라 머리 | 땅속 |
| Español · Spanish | `es` | Cabeza de hidra de raíces | Bajo tierra |
| हिन्दी · Hindi | `hi` | जड़ हाइड्रा का सिर | खुदाई |
| Deutsch · German | `de` | Wurzelhydra-Kopf | Im Untergrund |
| Français · French | `fr` | Tête d’hydre des racines | Enfouie |
| Português (Brasil) · Brazilian Portuguese | `pt` | Cabeça da Hidra de raízes | Subterrânea |
| Türkçe · Turkish | `tr` | Kök Hidrası Başı | Toprak Altında |
| Bahasa Indonesia · Indonesian | `id` | Kepala Hidra Akar | Menggali |
| Русский · Russian | `ru` | Голова корневой гидры | Под землёй |
| Bahasa Melayu · Malay | `ms` | Kepala Hidra Akar | Menggali |
| Filipino | `fil` | Ulo ng Hydra ng Ugat | Ang Paghuhukay |
| मराठी · Marathi | `mr` | मुळांच्या हायड्राचे डोके | जमिनीखाली |
| Tiếng Việt · Vietnamese | `vi` | Đầu Hydra Rễ Cây | Đào Đất |
| తెలుగు · Telugu | `te` | వేరు హైడ్రా తల | నేల లోపల |
| தமிழ் · Tamil | `ta` | வேர் ஹைட்ரா தலை | நிலத்தடி |
| বাংলা · Bengali | `bn` | শিকড় হাইড্রার মাথা | মাটির নিচে |
| ไทย · Thai | `th` | หัวไฮดรารากไม้ | มุดดิน |
| Hausa | `ha` | Kan Dodon Saiwa | Haƙa Ƙasa |
| Naijá · Nigerian Pidgin | `pcm` | Root Hydra Head | Under Ground |
| <bdi>العربية</bdi> · Arabic | `ar` | <bdi>رأس هيدرا الجذور</bdi> | <bdi>الحفر</bdi> |
| <bdi>فارسی</bdi> · Persian | `fa` | <bdi>سر هیدرای ریشه</bdi> | <bdi>نقب‌زن</bdi> |
| <bdi>עברית</bdi> · Hebrew | `he` | <bdi>ראש הידרת השורשים</bdi> | <bdi>חפירה</bdi> |
| <bdi>اردو</bdi> · Urdu | `ur` | <bdi>جڑوں والے ہائیڈرا کا سر</bdi> | <bdi>کھدائی</bdi> |

</details>

## Data

```json
{
  "id": "root-hydra-head",
  "hp": 2000,
  "damage": 8,
  "radius": 22,
  "xp": 0,
  "speed": 0,
  "attackEvery": 4,
  "telegraph": 1.2,
  "attack": {
    "kind": "sweep",
    "lanes": 1,
    "width": 36,
    "length": 320
  },
  "patternEvery": 3,
  "patterns": [
    {
      "kind": "ring",
      "count": 14,
      "speed": 62,
      "radius": 3,
      "damage": 8,
      "bursts": 1,
      "interval": 0.6,
      "telegraph": 1
    }
  ]
}
```

## Sources

Game version 75: `main-CSuyb4iv.js` / `boot-CPW8VVmR.js` / `sim-BkfBhQfw.js` from https://tibo.dog/, researched 2026-11-05. See [Versions & updates](/versions).
- Content registry exported by `boot-CPW8VVmR.js`; boss definitions and order exported by `sim-BkfBhQfw.js`; lazy endgame definitions from `endgame-content-CyuS5vbP.js` and `catalog.generated-JnyrtBzy.js`
- English names and descriptions from `i18n-en-content--0ALgcKX.js`
- Game config `bosses.hpSteps` and `win.finalBoss` from `sim-BkfBhQfw.js`
- Names in other languages from the 26 `i18n-<code>-content` files of `main-CSuyb4iv.js` (`data/i18n-names.json`)