ISA 08 - Monster Hunter Contracts V4.2
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Changes:
- Contract targets/rewards are now shown in the KubeJS Core tooltip.
- Anti-exploit fix: a contract must physically be in the player's inventory
  at the exact moment the target is killed.
- Killing a target without the matching contract gives no reward.
- One matching contract is consumed per successful completion.
- The advancement is immediately revoked so contracts remain repeatable.

Current contracts:
- Undead: 1 Wither Skeleton -> 3 Bounty Tokens + 120 XP
- Infernal: 1 Blaze -> 4 Bounty Tokens + 160 XP
- Beast: 1 Ravager -> 5 Bounty Tokens + 200 XP
- Abyss: 1 Elder Guardian -> 8 Bounty Tokens + 320 XP
