Australian Spider

Spider Form. On its turn, the Australian Spider may take 8 actions and 8 bonus actions instead of the normal 1. It also may take up to 8 reactions before its turn comes around again, instead of the normal 1, and hold concentration on up to 8 spells at once.

Spider Climb. The Australian Spider can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check.

Arachnid Mobility. The Australian Spider may choose to ignore movement restrictions, and if its speed is anything other than 42240 feet, it may choose to act as though its speed is 42240 feet instead. It also cannot provoke opportunity attacks, and creatures cannot avoid provoking opportunity attacks against it. Whenever the Australian Spider rolls initiative, it rolls 8 initiatives and takes turns on each of them, and it is considered to have proficiency and expertise in initiative rolls.

Spider Presence. Whenever a creature within 8 miles of the Australian Spider would roll a die, the Australian Spider may choose to have that creature roll 8 of that die instead and choose which die is to be used.

Webbed Magic. The Australian Spider knows all spells and can cast them at will, not expending any spell slots. It may choose to cast these spells at any higher level it would like. It can also ignore the effects of the stress of casting the wish spell. It has 88 sorcery points and knows all metamagic options.

Magical Soul. The Australian Spider does not require food, water, air, or sleep, and does not age. It may use a bonus action to gain the benefits of a short rest, and may use an action to gain the benefits of a long rest. It is also completely immune to the effects of magic that it does not want to affect it.

Gargantuan Strength. The Australian Spider has no limit to its carrying capacity. It also has a long and high jump distance equal to its movement speed. When making a long jump or a high jump, it may jump as though it had done both at once, costing an amount of movement equal to the greater distance of the two.

Multiattack. The Australian Spider makes up to nine attacks: one with each of its legs, and one with its bite. 

Bite. Melee Weapon Attack: +19 to hit, reach 10 ft., one target. Hit: 46 (8d8 + 10) piercing damage plus 36 (8d8) acid damage and 36 (8d8) poison damage. The target must succeed on a DC 27 constitution saving throw, suffering instant death on a failed save and having their hit point maximum permanently reduced by the amount of poison damage dealt this way on a successful save. If the target is immune to poison damage, they automatically succeed on their save and do not have their hit point maximum reduced, and if the target is resistant to poison damage, they have advantage on the save.

Leg. Melee Weapon Attack: +19 to hit, reach 20ft., one target. Hit: 46 (8d8 + 10) bludgeoning damage, 46 (8d8 + 10) piercing damage, or 46 (8d8 + 10) slashing damage. If the target is a creature, it must succeed on a DC 27 Strength saving throw or be knocked prone.

Multiattack. The Australian Spider makes up to nine attacks: one with each of its legs, and one with its bite. 

Bite. Melee Weapon Attack: +19 to hit, reach 10 ft., one target. Hit: 46 (8d8 + 10) piercing damage plus 36 (8d8) acid damage and 36 (8d8) poison damage. The target must succeed on a DC 27 constitution saving throw, suffering instant death on a failed save and having their hit point maximum permanently reduced by the amount of poison damage dealt this way on a successful save. If the target is immune to poison damage, they automatically succeed on their save and do not have their hit point maximum reduced, and if the target is resistant to poison damage, they have advantage on the save.

Leg. Melee Weapon Attack: +19 to hit, reach 20ft., one target. Hit: 46 (8d8 + 10) bludgeoning damage, 46 (8d8 + 10) piercing damage, or 46 (8d8 + 10) slashing damage. If the target is a creature, it must succeed on a DC 27 Strength saving throw or be knocked prone.

Quickened action. The Australian Spider takes one of the following actions: Dash, Disengage, Dodge, Help, or Hide.

Parry. The Australian Spider changes the target of a melee or spell attack that would target it to the attacker. The new attack roll is treated as a critical hit, regardless of what the roll on the die was. Then, the Australian Spider may move up to 8 times its movement speed toward the creature that targeted it and make 8 multiattack attacks. All attacks must target the person who targeted the Australian Spider.

The Australian Spider can take ∞ legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only at the end of another creature’s turn. The Australian Spider regains spent legendary actions at the start of its turn.

Multiattack. The Australian Spider makes 8 multiattack attacks.

Move. The Australian Spider moves up to 8 times its speed.