> For the complete documentation index, see [llms.txt](https://docs.memefi.club/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.memefi.club/game-mechanics/boss-and-clan-raids.md).

# Boss & Clan Raids

In the Missions tab, you'll see **a variety of tasks** available. The key gameplay activities in MemeFi are **boss raids** and **clan raids.**

## **Boss Raids**

The boss raid task is **the basic activity** you'll be able to complete daily. You can navigate to in the Home tab, via the Missions tab or by choosing a specific boss on the map.

This is **the only task** that releases new [$MEMEFI](/in-game-economy/usdpwr.md) rewards into the in-game economy. For this reason, your clan is concerned with **your performance**, as it is the main source of value for its treasury holdings.

{% hint style="info" %}
Your expected daily ROI **only** consideres boss raids. The real ROI can **vary** based on your character's and the boss's srengths, your performance, clan raid outcomes, bonus activities and [key](/social-tech/character-keys.md) trading and yield from[ keys](/social-tech/character-keys.md).
{% endhint %}

You can only attack a boss **once a day**. All bosses have their own **strengths values**:

<table><thead><tr><th>Boss Name</th><th data-type="number">Strength (In $PWR)</th><th data-hidden></th></tr></thead><tbody><tr><td><h4>Destroyer of Worlds</h4></td><td>400</td><td></td></tr><tr><td><h4>Moai</h4></td><td>2000</td><td></td></tr><tr><td><h4>King Ghidorah</h4></td><td>4000</td><td></td></tr><tr><td><h4>Bogdanoff Tricksters</h4></td><td>10000</td><td></td></tr><tr><td><h4>Charles World Eater</h4></td><td>20000</td><td></td></tr><tr><td><h4>Slerf Cringe Overlord</h4></td><td>40000</td><td></td></tr><tr><td><h4>The Cursed Man</h4></td><td>100000</td><td></td></tr></tbody></table>

As of now, victory is determined **probabilistically** i.e. not guaranteed. In case of a defeat, the $PWR is lost, while no reward is paid out. The victory chance is calculated based on the boss's and your character's **strengths**.

```python
p = characterStrength/(characterStrength + bossStrength)
```

The value of your **boss raid reward** in $MEMEFI is equal to your [expected daily ROI](/game-mechanics/character-stats.md#level).

**Rewards**

All the rewards are collected into the **clan's treasury**, where they rest for a day and then paid out.&#x20;

Members receive the rewards based on their **PWR share** of the total clan PWR, not their involvement in boss fights or clan raids. So, winners "fund" losers' rewards.

&#x20;In a healthy clan, this **does not** affect your rewards and your average rewards will converge to your **expected daily ROI**, as your losses are funded as well. Bad clans can get **exploited** by "leeches" who do not participate in clan activity, but receive the rewards.

## Clan Raids

As all players are members of **different clans**, clan warfare becomes possible. Clan raids are initiated by **memelords** and are **unlocked** in the Missions tab if active.

#### Why Raid?

User rewards from boss raids are first collected to their clan's **treasury**. They are held in the treasury until **distributed** on the third day.

Other clans have **a window of opportunity** to attack and plunder the other clan's treasury, splitting rewards between memebers.

Clan raids allow players to **increase** their rewards.

**Clan Raid Mechanics**

When initiating a raid, the clan's memelord **select the amount of $PWR** the clan needs to collect to for the attack to start. In the next 12 hours, clan members are given the opportunity to **join the raid** and the **amount of $PWR** equal to their strength is added to the pool.

If the clan **cannot** collect the selected amount of $PWR, all the $PWR of raid participants is **lost** without launching the raid.

The defending clan always uses **the total clan strength** i.e. the sum of strengths of all memebrs.

The **probability of victory** for the attacking clan is determined as follows:

```python
p = attackerStength/(attackerStength + defenderStrength)
```