Gravesite Plain is the first big area in Elden Ring Shadow of the Erdtree and despite it being the first area, it houses 13 bosses. Yes, there are 13 bosses in Gravesite Plain. Some of them are optional, others are story bosses. But you will also encounter Invaders.
Divine Beast Dancing Lion
Divine Beast Dancing Lion is at the top of Belurat, the castle on the western side of the Gravesite Plain.
The Divine Beast Dancing Lion is a giant puppet with unpredictable movements, switching between different elemental types.
The boss drops Remembrance of the Dancing Lion and the Divine Beast Head.
Blackgaol Knight
Blackgaol Knight is West of the Scorched Ruins, inside the Western Nameless Mausoleum. It is an optional boss wielding a crossbow and a magical sword.
The will drop Greatsword of Solitude and his armor set.
Ghostflame Dragon
Ghostflame Dragon is in a giant lake east of Belurat, at the northernmost part of Gravesite Plain. It is a large dragon that appears as a pile of debris until you get close. If you manage to beat Ghostflame Dragon, it’ll drop Dragon heart and a Somber Ancient Dragon Smithing Stone.
Demi-Human Swordmaster Onze
Near the lake with the Ghostflame Dragon, you’ll find the entrance to Belurat Gaol, a short dungeon under Belurat.
At the end of this dungeon, past a fog wall, is Demi-Human Swordmaster Onze. This small boss has low health and can be easily defeated, granting you the Demi-Human Swordsman Yosh summon.
Logur Beast Claw
Logur the Beast Claw can be found in the forest to the east of your first site of grace in the Shadow Realm. This fast and aggressive boss, wielding claws and possessing one healing flask, will attack you as you ride through the woods.
Defeating Logur will reward you with the Beast Claws.
Fire Knight Queelign (Invader)
Fire Knight Queelign invades in the circular courtyard of Belurat, east of the second site of grace. Armed with a spear-like sword and one healing charge, this invader can be overcome with aggressive tactics, earning you the Crusade Insignia upon defeat.
Furnace Golem 1
In the main field north of the Scorched Ruins stands the first Furnace Golem. This formidable enemy creates flame waves with its stomps. Focus on attacking its feet until it falls over, allowing you to deal a critical hit to its face. Defeating this golem yields the Deflecting Hardtear and a Furnace Visage.
Ancient Dragon-Man (Invader)
As you progress east along the plateau near Castle Ensis, you will encounter the Ancient Dragon-Man invader. Take the lower path after the site of grace to face this quick opponent. Although this invader drops no significant rewards, be prepared to fight the real version further ahead.
Ancient Dragon-Man
Past the Ancient Dragon-Man invader, enter the Dragon’s Pit dungeon to the east of Castle Ensis. Go through this dungeon to a giant chalice and pit, then proceed through the fog door to face the Ancient Dragon-Man. Wielding a large sword and possessing one healing flask, this boss drops the Dragon-Hunter’s Great Katana upon defeat.
Dark Knight
In Fog Rift Catacombs, west of Castle Ensis, navigate through the smashers to the third basement floor, where you will find the Death Knight behind a fog door. This enemy uses two lightning axes and javelins, and can grab you to heal himself.
Successfully dodging his charge attacks and defeating him will reward you with the Death Knight’s Twin Axes and Crimson Amber Medallion +3.
Furnace Golem 2
South of the Ellac River Downstream Site of Grace, in a large, wooded area with a river, you’ll encounter the second Furnace Golem. Attack its unarmored feet to bring it down, earning a Furnace Visage and the Viridian Hidden Tear for your Physicks.
Moonrithyll, Carian Knight
Guarding the true gate into Castle Ensis is Moonrithyll, Carian Knight. This mini-boss uses a big sword and occasionally casts spells. Defeating Moonrithyll rewards you with the Moonrithyll Knight Sword.
Rellana, Twin Moon Knight
The final boss of Castle Ensis, Rellana, Twin Moon Knight, awaits you in a massive arena past the fog door at the top of the castle.
She has two phases: the first involves light magic attacks and swords, while the second phase includes heavy magic and flame attacks. Defeating her will earn you her Remembrance, allowing you to proceed into Scadu Atlus.