Cataclysm: Spellbooks

Changelog:

• Changed Excelsius' boots abilities; now they have three "modes" to choose from
• Added The Murasama blade
• Added Burst Sheath curio
• Added Burst Strike spell
• Added Final Rend spell
• Added Conjure: Clawdian spell
• Changed recipes for The Nightstalker, The Combuster and The Berserker
• Added Mechanical Brace curio
• Added adaptation compat for The Nightwarden for Abyssal and Technomancy
• Fixed Shutdown causing a crash when injuring players
• Added Italian translations (Courtesy to KillerIT)
• Fixed The Oppressor Visor not activating its keybind ability when pressed