Monster:Metadata/Monsters/AtlasBosses/HydraBossElder

Guardian of the Hydra
Effects from modifiers	Monsters grant 100% increased Experience (Hidden) 15000% increased Rarity of Items Dropped (Hidden) Action Speed cannot be modified to below 70% of base value 4000% increased Quantity of Items dropped by this Monster in Merciless difficulty (Hidden) 3000% increased Rarity of Items dropped by this Monster in Merciless difficulty (Hidden) 2000% increased Quantity of Items dropped by this Monster in Cruel difficulty (Hidden) 1500% increased Rarity of Items dropped by this Monster in Cruel difficulty (Hidden)
Resistances	Act Fire Cold Lightning Chaos 1-5 15 15 15 7 5-10 30 30 30 20 10- 50 50 50 30
Metadata id	Metadata/Monsters/AtlasBosses/HydraBossElder

Monster data
Metadata id	Metadata/Monsters/AtlasBosses/HydraBossElder
Monster type id	AtlasBossHydra
Internal tags	red_blood
Base Experience Multiplier	2
Base Health Multiplier	10
Base Damage Multiplier	2
Base Attack Speed	1.605s-1
Base Critical Strike Chance	5.00%
Minimum Attack Distance	6
Maximum Attack Distance	80
Object size	4
Model size multiplier	1.54

Stats
#	Stat Id	Min	Max
1	monster_dropped_item_rarity_+%	15000	15000
2	monster_slain_experience_+%	100	100
3	unique_boss_curse_effect_on_self_+%_final	-66	-66
4	hellscape_boots_action_speed_+%_minimum_value	-30	-30
5	monster_additional_quantity_of_dropped_items_in_cruel_+%	2000	2000
6	monster_additional_quantity_of_dropped_items_in_merciless_+%	4000	4000
7	monster_additional_rarity_of_dropped_items_in_cruel_+%	1500	1500
8	monster_additional_rarity_of_dropped_items_in_merciless_+%	3000	3000
9	monster_chance_to_not_flee_%	100	100
10	monster_rarity	3	3
11	monster_dropped_item_quantity_+%	2850	2850
12	minimum_movement_velocity_+%_excluding_stance	-80	-80
13	monster_dropped_item_rarity_+%	1000	1000
14	monster_rarity_damage_+%_final	70	70
15	monster_drop_higher_level_gear	2	2
16	gain_x_vaal_souls_at_2%_life_thresholds	6	6
17	monster_life_+%_final_from_rarity	698	698
18	monster_rarity_attack_cast_speed_+%_and_damage_-%_final	33	33
19	monster_slain_experience_+%	450	450
20	monster_slain_flask_charges_granted_+%	1000	1000

Metadata/Monsters/AtlasBosses/HydraBossElder is the internal id for the Guardian of the Hydra monster.